diff --git a/notebooks/References Notebook.ipynb b/notebooks/References Notebook.ipynb
index 65d72f1..1dcadb0 100644
--- a/notebooks/References Notebook.ipynb	
+++ b/notebooks/References Notebook.ipynb	
@@ -1,5 +1,25 @@
 {
  "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Copyright 2019 Frances M. Skinner\n",
+    "SPDX-License-Identifier: Apache-2.0\n",
+    "\n",
+    "Licensed under the Apache License, Version 2.0 (the \"License\");\n",
+    "you may not use this file except in compliance with the License.\n",
+    "You may obtain a copy of the License at\n",
+    "\n",
+    "    https://www.apache.org/licenses/LICENSE-2.0\n",
+    "\n",
+    "Unless required by applicable law or agreed to in writing, software\n",
+    "distributed under the License is distributed on an \"AS IS\" BASIS,\n",
+    "WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n",
+    "See the License for the specific language governing permissions and\n",
+    "limitations under the License."
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -9,23 +29,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 38,
    "metadata": {},
    "outputs": [],
    "source": [
     "# Import these modules\n",
-    "\n",
     "# Step 2 Bibcode\n",
     "import requests\n",
     "import json\n",
-    "\n",
+    "# ADS\n",
     "# Step 4 urllib\n",
     "import urllib.request\n",
     "from urllib.error import HTTPError\n",
-    "\n",
     "#Step 5 html encoder\n",
     "import html\n",
-    "\n",
     "# Step 6 bibtex\n",
     "import re\n",
     "import logging\n",
@@ -68,12 +85,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 39,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Enter your token here: You need this for using step 3\n",
-    "# This is where the token goes, between the \"\" \n",
+    "# Enter your token here: You need this for using step 2 and 3\n",
+    "# A token can only be used once you have an account on NASA/ADS https://ui.adsabs.harvard.edu/. \n",
+    "# Once you have an account click on 'Account', then click on 'Customize Settings' on the dropdown menu. \n",
+    "# In 'Customize Settings' there is a panel to the left of the screen, if you scroll down that panel you will see 'API Token'. \n",
+    "# Click on 'API Token' and then click on 'generate a new key'.\n",
+    "# you can also enter your token in the local settings and Import ADS_TOKEN from local_settings\n",
     "token=\"gx43LyUuTTD0zoTWx8qKpWbWi3euTmx7FCM3fJjY\""
    ]
   },
@@ -86,9 +107,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 35,
+   "execution_count": 99,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Enter DOI Here: 10.1016/j.jqsrt.2019.04.040\n",
+      "2019JQSRT.232...35H\n"
+     ]
+    }
+   ],
    "source": [
     "def get_citeproc_authors(cpd_author):\n",
     "    if cpd_author is None:\n",
@@ -112,7 +142,6 @@
     "        initials = ' '.join(initials)\n",
     "        names.append('{} {}'.format(initials, family))\n",
     "    return ', '.join(names)\n",
-    "\n",
     "def parse_citeproc_json(citeproc_json):\n",
     "    \"\"\"Parse the provided JSON into a Ref object.\"\"\"\n",
     "    \n",
@@ -122,7 +151,6 @@
     "            return None\n",
     "    except KeyError:\n",
     "        return None\n",
-    "\n",
     "    authors = get_citeproc_authors(cpd.get('author', ''))\n",
     "    title = cpd.get('title', '').replace('\\n', '')\n",
     "    journal = cpd.get('container-title', '')\n",
@@ -136,13 +164,11 @@
     "    try:\n",
     "        year = cpd['issued']['date-parts'][0][0]\n",
     "    except (KeyError, IndexError):\n",
-    "        year = None\n",
-    "        \n",
+    "        year = None        \n",
     "    try:\n",
     "        bibcode = cpd.get('bibcode', '')\n",
     "    except (KeyError, IndexError):\n",
-    "        bibcode = None\n",
-    "        \n",
+    "        bibcode = None        \n",
     "# # =============================================================================\n",
     "# #   OUTPUT\n",
     "# # =============================================================================\n",
@@ -158,7 +184,6 @@
     "        article_number,\n",
     "        citeproc_json]\n",
     "    return ref \n",
-    "\n",
     "def get_citeproc_json_from_doi(doi):\n",
     "    base_url = 'http://dx.doi.org/'\n",
     "    url = base_url + doi\n",
@@ -172,81 +197,21 @@
     "            raise ValueError('DOI not found.')\n",
     "        raise\n",
     "    return citeproc_json\n",
-    "\n",
     "def get_source_from_doi(doi):\n",
     "    citeproc_json = get_citeproc_json_from_doi(doi)\n",
     "    ref = parse_citeproc_json(citeproc_json)\n",
-    "    return ref"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 36,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Enter DOI Here: fwejf\n"
-     ]
-    },
-    {
-     "ename": "ValueError",
-     "evalue": "DOI not found.",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mHTTPError\u001b[0m                                 Traceback (most recent call last)",
-      "\u001b[0;32m<ipython-input-35-2bbc485c821c>\u001b[0m in \u001b[0;36mget_citeproc_json_from_doi\u001b[0;34m(doi)\u001b[0m\n\u001b[1;32m     75\u001b[0m     \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 76\u001b[0;31m         \u001b[0;32mwith\u001b[0m \u001b[0murllib\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mrequest\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0murlopen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mreq\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0mf\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     77\u001b[0m             \u001b[0mciteproc_json\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mf\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mread\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mdecode\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/urllib/request.py\u001b[0m in \u001b[0;36murlopen\u001b[0;34m(url, data, timeout, cafile, capath, cadefault, context)\u001b[0m\n\u001b[1;32m    222\u001b[0m         \u001b[0mopener\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0m_opener\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 223\u001b[0;31m     \u001b[0;32mreturn\u001b[0m \u001b[0mopener\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mopen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0murl\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mdata\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtimeout\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    224\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/urllib/request.py\u001b[0m in \u001b[0;36mopen\u001b[0;34m(self, fullurl, data, timeout)\u001b[0m\n\u001b[1;32m    531\u001b[0m             \u001b[0mmeth\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mgetattr\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mprocessor\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmeth_name\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 532\u001b[0;31m             \u001b[0mresponse\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mmeth\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mreq\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mresponse\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    533\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/urllib/request.py\u001b[0m in \u001b[0;36mhttp_response\u001b[0;34m(self, request, response)\u001b[0m\n\u001b[1;32m    641\u001b[0m             response = self.parent.error(\n\u001b[0;32m--> 642\u001b[0;31m                 'http', request, response, code, msg, hdrs)\n\u001b[0m\u001b[1;32m    643\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/urllib/request.py\u001b[0m in \u001b[0;36merror\u001b[0;34m(self, proto, *args)\u001b[0m\n\u001b[1;32m    563\u001b[0m         \u001b[0margs\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0mdict\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mproto\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmeth_name\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0margs\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 564\u001b[0;31m         \u001b[0mresult\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_call_chain\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    565\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mresult\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/urllib/request.py\u001b[0m in \u001b[0;36m_call_chain\u001b[0;34m(self, chain, kind, meth_name, *args)\u001b[0m\n\u001b[1;32m    503\u001b[0m             \u001b[0mfunc\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mgetattr\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mhandler\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmeth_name\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 504\u001b[0;31m             \u001b[0mresult\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mfunc\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    505\u001b[0m             \u001b[0;32mif\u001b[0m \u001b[0mresult\u001b[0m \u001b[0;32mis\u001b[0m \u001b[0;32mnot\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/urllib/request.py\u001b[0m in \u001b[0;36mhttp_error_302\u001b[0;34m(self, req, fp, code, msg, headers)\u001b[0m\n\u001b[1;32m    755\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 756\u001b[0;31m         \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mparent\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mopen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mnew\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtimeout\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mreq\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mtimeout\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    757\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/urllib/request.py\u001b[0m in \u001b[0;36mopen\u001b[0;34m(self, fullurl, data, timeout)\u001b[0m\n\u001b[1;32m    531\u001b[0m             \u001b[0mmeth\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mgetattr\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mprocessor\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmeth_name\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 532\u001b[0;31m             \u001b[0mresponse\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mmeth\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mreq\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mresponse\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    533\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/urllib/request.py\u001b[0m in \u001b[0;36mhttp_response\u001b[0;34m(self, request, response)\u001b[0m\n\u001b[1;32m    641\u001b[0m             response = self.parent.error(\n\u001b[0;32m--> 642\u001b[0;31m                 'http', request, response, code, msg, hdrs)\n\u001b[0m\u001b[1;32m    643\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/urllib/request.py\u001b[0m in \u001b[0;36merror\u001b[0;34m(self, proto, *args)\u001b[0m\n\u001b[1;32m    569\u001b[0m             \u001b[0margs\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0mdict\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m'default'\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m'http_error_default'\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0morig_args\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 570\u001b[0;31m             \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_call_chain\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    571\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/urllib/request.py\u001b[0m in \u001b[0;36m_call_chain\u001b[0;34m(self, chain, kind, meth_name, *args)\u001b[0m\n\u001b[1;32m    503\u001b[0m             \u001b[0mfunc\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mgetattr\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mhandler\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmeth_name\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 504\u001b[0;31m             \u001b[0mresult\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mfunc\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    505\u001b[0m             \u001b[0;32mif\u001b[0m \u001b[0mresult\u001b[0m \u001b[0;32mis\u001b[0m \u001b[0;32mnot\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/urllib/request.py\u001b[0m in \u001b[0;36mhttp_error_default\u001b[0;34m(self, req, fp, code, msg, hdrs)\u001b[0m\n\u001b[1;32m    649\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0mhttp_error_default\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mreq\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mfp\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mcode\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmsg\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mhdrs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 650\u001b[0;31m         \u001b[0;32mraise\u001b[0m \u001b[0mHTTPError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mreq\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mfull_url\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mcode\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmsg\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mhdrs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mfp\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    651\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;31mHTTPError\u001b[0m: HTTP Error 404: ",
-      "\nDuring handling of the above exception, another exception occurred:\n",
-      "\u001b[0;31mValueError\u001b[0m                                Traceback (most recent call last)",
-      "\u001b[0;32m<ipython-input-36-aa7177a57a05>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m      5\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      6\u001b[0m \u001b[0mdoi\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0minput\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"Enter DOI Here: \"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 7\u001b[0;31m \u001b[0mdoi_fetched\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mget_source_from_doi\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mdoi\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      8\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      9\u001b[0m \u001b[0mads_token\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m'4PtdkIDyxpjjZ1JDYJ4HI59VXJuJD98tACcrnfPv'\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m<ipython-input-35-2bbc485c821c>\u001b[0m in \u001b[0;36mget_source_from_doi\u001b[0;34m(doi)\u001b[0m\n\u001b[1;32m     83\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     84\u001b[0m \u001b[0;32mdef\u001b[0m \u001b[0mget_source_from_doi\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mdoi\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 85\u001b[0;31m     \u001b[0mciteproc_json\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mget_citeproc_json_from_doi\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mdoi\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     86\u001b[0m     \u001b[0mref\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mparse_citeproc_json\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mciteproc_json\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     87\u001b[0m     \u001b[0;32mreturn\u001b[0m \u001b[0mref\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m<ipython-input-35-2bbc485c821c>\u001b[0m in \u001b[0;36mget_citeproc_json_from_doi\u001b[0;34m(doi)\u001b[0m\n\u001b[1;32m     78\u001b[0m     \u001b[0;32mexcept\u001b[0m \u001b[0mHTTPError\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0me\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     79\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0me\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mcode\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0;36m404\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 80\u001b[0;31m             \u001b[0;32mraise\u001b[0m \u001b[0mValueError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'DOI not found.'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     81\u001b[0m         \u001b[0;32mraise\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     82\u001b[0m     \u001b[0;32mreturn\u001b[0m \u001b[0mciteproc_json\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;31mValueError\u001b[0m: DOI not found."
-     ]
-    }
-   ],
-   "source": [
-    "# DOI Example HITRAN Paper: = 10.1016/j.jqsrt.2017.06.038\n",
-    "# DOI Example Superscript Title: = 10.1103/PhysRevA.85.032515\n",
-    "# NO, NO2, N2O PAPER: = 10.1016/j.jqsrt.2019.04.040\n",
-    "# EAMON H2O 2020 PAPER: = 10.1016/j.jqsrt.2019.106711\n",
-    "\n",
+    "    return ref\n",
     "doi = input(\"Enter DOI Here: \")\n",
     "doi_fetched = get_source_from_doi(doi)\n",
-    "\n",
-    "ads_token = '4PtdkIDyxpjjZ1JDYJ4HI59VXJuJD98tACcrnfPv'\n",
-    "token     = ads_token\n",
-    "\n",
     "rdoi = doi\n",
-    "\n",
     "rdoi_bs = rdoi.replace(\"\\\\\", \"%2F\")    # Remove backslash and replace with URL code for backslash\n",
     "rdoi_fs = rdoi_bs.replace(\"/\", \"%2F\")  # Remove forwardslash and replace with URL code for backslash\n",
-    "\n",
     "rurl = requests.get(\"https://api.adsabs.harvard.edu/v1/search/query?q=doi:\"+rdoi_fs,\\\n",
     "                 params={\"q\":\"*:*\", \"fl\": \"*\", \"rows\":2000},\n",
     "                 headers={'Authorization': 'Bearer ' + token})\n",
-    "\n",
     "todos          = json.loads(rurl.text)\n",
     "todos_response = todos.get('response', '')\n",
-    "\n",
-    "#Bibcode = (todos_response['docs']['bibcode'])\n",
     "Bibcode =  (todos_response['docs'][0]['bibcode']) \n",
-    "\n",
     "print(Bibcode)"
    ]
   },
@@ -291,9 +256,25 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 100,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "authors: Hargreaves, R. J., I. E. Gordon, L. S. Rothman, S. A. Tashkun, V. I. Perevalov, A. A. Lukashevskaya, S. N. Yurchenko, J. Tennyson, and H. S. P. Müller\n",
+      "title: Spectroscopic line parameters of NO, NO<SUB>2</SUB>, and N<SUB>2</SUB>O for the HITEMP database\n",
+      "journal: Journal of Quantitative Spectroscopy and Radiative Transfer\n",
+      "volume: 232\n",
+      "start-page: 35\n",
+      "end-page: 53\n",
+      "year: 2019\n",
+      "doi: 10.1016/j.jqsrt.2019.04.040\n",
+      "bibcode: https://ui.adsabs.harvard.edu/abs/2019JQSRT.232...35H\n"
+     ]
+    }
+   ],
    "source": [
     "# HTML with the characters &, <, >, and “ included\n",
     "payload = {\"bibcode\": [\"{}\".format(Bibcode)], # 2012PhRvA..85c2515Z\n",
@@ -313,32 +294,8 @@
     "                 headers={\"Authorization\": \"Bearer \" + token, \"Content-type\": \"application/json\"}, \\\n",
     "                 data=json.dumps(payload))\n",
     "response_json = r.json()\n",
-    "ref_json = json.loads(response_json['export'])['ref_json']"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 28,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "authors: Ulenikov, O. N., E. S. Bekhtereva, O. V. Gromova, K. B. Berezkin, V.-M. Horneman, C. Sydow, C. Maul, and S. Bauerecker\n",
-      "title: First high resolution analysis of the 3ν<SUB>2</SUB> and 3ν<SUB>2</SUB> -ν<SUB>2</SUB> bands of <SUP>32</SUP>S<SUP>16</SUP>O<SUB>2</SUB>\n",
-      "journal: Journal of Quantitative Spectroscopy and Radiative Transfer\n",
-      "volume: 202\n",
-      "start-page: 1\n",
-      "end-page: 5\n",
-      "year: 2017\n",
-      "doi: 10.1016/j.jqsrt.2017.07.012\n",
-      "bibcode: https://ui.adsabs.harvard.edu/abs/2017JQSRT.202....1U\n"
-     ]
-    }
-   ],
-   "source": [
-    "authors = print('authors:', ref_json['authors'])\n",
+    "ref_json = json.loads(response_json['export'])['ref_json']\n",
+    "print('authors:', ref_json['authors'])\n",
     "print('title:', ref_json['title'])\n",
     "print('journal:', ref_json['journal'])\n",
     "print('volume:', ref_json['volume'])\n",
@@ -358,21 +315,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 30,
+   "execution_count": 101,
    "metadata": {},
    "outputs": [
     {
-     "ename": "JSONDecodeError",
-     "evalue": "Invalid \\escape: line 2 column 65 (char 101)",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mJSONDecodeError\u001b[0m                           Traceback (most recent call last)",
-      "\u001b[0;32m<ipython-input-30-fa1606a48397>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m     18\u001b[0m                  data=json.dumps(payload))\n\u001b[1;32m     19\u001b[0m \u001b[0mresponse_json\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mr\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mjson\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 20\u001b[0;31m \u001b[0mref_json\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mjson\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mloads\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mresponse_json\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m'export'\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m'ref_json'\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/json/__init__.py\u001b[0m in \u001b[0;36mloads\u001b[0;34m(s, encoding, cls, object_hook, parse_float, parse_int, parse_constant, object_pairs_hook, **kw)\u001b[0m\n\u001b[1;32m    352\u001b[0m             \u001b[0mparse_int\u001b[0m \u001b[0;32mis\u001b[0m \u001b[0;32mNone\u001b[0m \u001b[0;32mand\u001b[0m \u001b[0mparse_float\u001b[0m \u001b[0;32mis\u001b[0m \u001b[0;32mNone\u001b[0m \u001b[0;32mand\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    353\u001b[0m             parse_constant is None and object_pairs_hook is None and not kw):\n\u001b[0;32m--> 354\u001b[0;31m         \u001b[0;32mreturn\u001b[0m \u001b[0m_default_decoder\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mdecode\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0ms\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    355\u001b[0m     \u001b[0;32mif\u001b[0m \u001b[0mcls\u001b[0m \u001b[0;32mis\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    356\u001b[0m         \u001b[0mcls\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mJSONDecoder\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/json/decoder.py\u001b[0m in \u001b[0;36mdecode\u001b[0;34m(self, s, _w)\u001b[0m\n\u001b[1;32m    337\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    338\u001b[0m         \"\"\"\n\u001b[0;32m--> 339\u001b[0;31m         \u001b[0mobj\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mend\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mraw_decode\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0ms\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0midx\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0m_w\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0ms\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mend\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    340\u001b[0m         \u001b[0mend\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0m_w\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0ms\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mend\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mend\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    341\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mend\u001b[0m \u001b[0;34m!=\u001b[0m \u001b[0mlen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0ms\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/anaconda/envs/pyref/lib/python3.6/json/decoder.py\u001b[0m in \u001b[0;36mraw_decode\u001b[0;34m(self, s, idx)\u001b[0m\n\u001b[1;32m    353\u001b[0m         \"\"\"\n\u001b[1;32m    354\u001b[0m         \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 355\u001b[0;31m             \u001b[0mobj\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mend\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mscan_once\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0ms\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0midx\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    356\u001b[0m         \u001b[0;32mexcept\u001b[0m \u001b[0mStopIteration\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0merr\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    357\u001b[0m             \u001b[0;32mraise\u001b[0m \u001b[0mJSONDecodeError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"Expecting value\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0ms\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0merr\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mvalue\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mfrom\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;31mJSONDecodeError\u001b[0m: Invalid \\escape: line 2 column 65 (char 101)"
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "authors: Hargreaves, R.~J., I.~E. Gordon, L.~S. Rothman, S.~A. Tashkun, V.~I. Perevalov, A.~A. Lukashevskaya, S.~N. Yurchenko, J. Tennyson, and H.~S.~P. M{\"u}ller\n",
+      "title: Spectroscopic line parameters of NO, NO$_{2}$, and N$_{2}$O for the HITEMP database\n",
+      "journal: Journal of Quantitative Spectroscopy and Radiative Transfer\n",
+      "volume: 232\n",
+      "start-page: 35\n",
+      "end-page: 53\n",
+      "year: 2019\n",
+      "doi: 10.1016/j.jqsrt.2019.04.040\n",
+      "bibcode: https://ui.adsabs.harvard.edu/abs/2019JQSRT.232...35H\n"
      ]
     }
    ],
@@ -382,8 +340,8 @@
     "           \"sort\": \"first_author asc\",\n",
     "           \"format\": \n",
     "           '''{\"ref_json\": {\"encoder\": \"%ZEncoding:latex\\\\bibitem\",\n",
-    "              \"title\": \"%T\",\n",
     "              \"journal\": \"%J\",\n",
+    "              \"title\": \"%T\",\n",
     "              \"volume\": \"%V\",\n",
     "              \"start-page\": \"%p\",\n",
     "              \"end-page\": \"%P\",\n",
@@ -395,16 +353,8 @@
     "r = requests.post(\"https://api.adsabs.harvard.edu/v1/export/custom\", \\\n",
     "                 headers={\"Authorization\": \"Bearer \" + token, \"Content-type\": \"application/json\"}, \\\n",
     "                 data=json.dumps(payload))\n",
-    "response_json = r.json()\n",
-    "ref_json = json.loads(response_json['export'])['ref_json']"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
+    "response_json = r.json() \n",
+    "ref_json = json.loads(response_json['export'])['ref_json']\n",
     "print('authors:', ref_json['authors'])\n",
     "print('title:', ref_json['title'])\n",
     "print('journal:', ref_json['journal'])\n",
@@ -425,9 +375,25 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 102,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "authors: Hargreaves, R. J., I. E. Gordon, L. S. Rothman, S. A. Tashkun, V. I. Perevalov, A. A. Lukashevskaya, S. N. Yurchenko, J. Tennyson, and H. S. P. Müller\n",
+      "title: Spectroscopic line parameters of NO, NO&lt;SUB&gt;2&lt;/SUB&gt;, and N&lt;SUB&gt;2&lt;/SUB&gt;O for the HITEMP database\n",
+      "journal: Journal of Quantitative Spectroscopy and Radiative Transfer\n",
+      "volume: 232\n",
+      "start-page: 35\n",
+      "end-page: 53\n",
+      "year: 2019\n",
+      "doi: 10.1016/j.jqsrt.2019.04.040\n",
+      "bibcode: https://ui.adsabs.harvard.edu/abs/2019JQSRT.232...35H\n"
+     ]
+    }
+   ],
    "source": [
     "# HTML with the characters &, <, >, and “ are converted to &amp;, &lt;, &gt;, and &quot;, respectively.\n",
     "payload = {\"bibcode\": [\"{}\".format(Bibcode)],\n",
@@ -448,31 +414,7 @@
     "                 headers={\"Authorization\": \"Bearer \" + token, \"Content-type\": \"application/json\"}, \\\n",
     "                 data=json.dumps(payload))\n",
     "response_json = r.json()\n",
-    "ref_json = json.loads(response_json['export'])['ref_json']"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 31,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "authors: Ulenikov, O. N., E. S. Bekhtereva, O. V. Gromova, K. B. Berezkin, V.-M. Horneman, C. Sydow, C. Maul, and S. Bauerecker\n",
-      "title: First high resolution analysis of the 3ν<SUB>2</SUB> and 3ν<SUB>2</SUB> -ν<SUB>2</SUB> bands of <SUP>32</SUP>S<SUP>16</SUP>O<SUB>2</SUB>\n",
-      "journal: Journal of Quantitative Spectroscopy and Radiative Transfer\n",
-      "volume: 202\n",
-      "start-page: 1\n",
-      "end-page: 5\n",
-      "year: 2017\n",
-      "doi: 10.1016/j.jqsrt.2017.07.012\n",
-      "bibcode: https://ui.adsabs.harvard.edu/abs/2017JQSRT.202....1U\n"
-     ]
-    }
-   ],
-   "source": [
+    "ref_json = json.loads(response_json['export'])['ref_json']\n",
     "print('authors:', ref_json['authors'])\n",
     "print('title:', ref_json['title'])\n",
     "print('journal:', ref_json['journal'])\n",
@@ -494,22 +436,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 32,
+   "execution_count": 103,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Authors: O. Ulenikov, E. Bekhtereva, O. Gromova, K. Berezkin, V. Horneman, C. Sydow, C. Maul, S. Bauerecker \n",
-      "Title: First high resolution analysis of the 3ν2 and3ν2−ν2bands of 32S16O2 \n",
+      "Authors: R. J. Hargreaves, I. E. Gordon, L. S. Rothman, S. A. Tashkun, V. I. Perevalov, A. A. Lukashevskaya, S. N. Yurchenko, J. Tennyson, H. S.P. Müller \n",
+      "Title: Spectroscopic line parameters of NO, NO2, and N2O for the HITEMP database \n",
       "Journal: Journal of Quantitative Spectroscopy and Radiative Transfer \n",
-      "Volume: 202 \n",
-      "Year: 2017 \n",
-      "Page Start: 1 \n",
-      "Page End: 5 \n",
-      "DOI: 10.1016/j.jqsrt.2017.07.012 \n",
-      "URL: http://dx.doi.org/10.1016/j.jqsrt.2017.07.012 \n"
+      "Volume: 232 \n",
+      "Year: 2019 \n",
+      "Page Start: 35 \n",
+      "Page End: 53 \n",
+      "Article Number:  \n",
+      "DOI: 10.1016/j.jqsrt.2019.04.040 \n",
+      "URL: http://dx.doi.org/10.1016/j.jqsrt.2019.04.040 \n"
      ]
     }
    ],
@@ -519,7 +462,7 @@
     "\n",
     "# Below are the parameters for searching your citation\n",
     "# if you would like to add or change anything then refer to the initial code above to make your changes\n",
-    "reference = (doi_fetched[0],doi_fetched[1],doi_fetched[2],doi_fetched[3],doi_fetched[4],doi_fetched[5],doi_fetched[6],doi_fetched[7],doi_fetched[8])\n",
+    "reference = (doi_fetched[0],doi_fetched[1],doi_fetched[2],doi_fetched[3],doi_fetched[4],doi_fetched[5],doi_fetched[6],doi_fetched[7],doi_fetched[8],doi_fetched[9])\n",
     "\n",
     "print ('Authors:', doi_fetched[0], '')\n",
     "print ('Title:', doi_fetched[1], '')\n",
@@ -528,6 +471,7 @@
     "print ('Year:', doi_fetched[4], '')\n",
     "print ('Page Start:', doi_fetched[5], '')\n",
     "print ('Page End:', doi_fetched[6], '')\n",
+    "print ('Article Number:', doi_fetched[9],'')\n",
     "print ('DOI:', doi_fetched[7], '')\n",
     "print ('URL:', doi_fetched[8], '')"
    ]
@@ -542,46 +486,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "('Y. Lin, A. V. Akimov', 'Dependence of Nonadiabatic Couplings with Kohn–Sham Orbitals on the Choice of Density Functional: Pure vs Hybrid', 'The Journal of Physical Chemistry A', '120', 2016, '9028', '9041', '10.1021/acs.jpca.6b09660', 'http://dx.doi.org/10.1021/acs.jpca.6b09660')\n"
-     ]
-    }
-   ],
-   "source": [
-    "# This will give you a plain text reference with no html codes\n",
-    "def escape2(s, quote=True):\n",
-    "    s = s.replace(\"}$\", \"</SUP>\")\n",
-    "    s = s.replace(\"$^{\", \"<SUP>\") \n",
-    "    s = s.replace(\"{\", \"\")\n",
-    "    s = s.replace(\"}\", \"\")\n",
-    "    s = s.replace(\"\\\"\", \"\")\n",
-    "    #s = s.replace(\"'\", \"\")\n",
-    "    s = s.replace(\"''\", \"\")\n",
-    "    #s = s.replace(\" \", \"\")\n",
-    "    s = s.replace(\",,\", \"\")\n",
-    "    s = s.replace(\", ,\", \"\")\n",
-    "    return s\n",
-    "print(escape2(\"{}\".format(reference)))"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 104,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "'(&#x27;S. Bin Zhang, D. L. Yeager&#x27;, &quot;Complex-scaled multireference configuration-interaction method to study Be and Be-like cations&#x27; (B, C, N, O, Mg) Auger resonances1s2s22p1,3Po&quot;, &#x27;Physical Review A&#x27;, &#x27;85&#x27;, 2012, &#x27;&#x27;, &#x27;&#x27;, &#x27;10.1103/physreva.85.032515&#x27;, &#x27;http://dx.doi.org/10.1103/PhysRevA.85.032515&#x27;)'"
+       "'(&#x27;R. J. Hargreaves, I. E. Gordon, L. S. Rothman, S. A. Tashkun, V. I. Perevalov, A. A. Lukashevskaya, S. N. Yurchenko, J. Tennyson, H. S.P. Müller&#x27;, &#x27;Spectroscopic line parameters of NO, NO2, and N2O for the HITEMP database&#x27;, &#x27;Journal of Quantitative Spectroscopy and Radiative Transfer&#x27;, &#x27;232&#x27;, 2019, &#x27;35&#x27;, &#x27;53&#x27;, &#x27;10.1016/j.jqsrt.2019.04.040&#x27;, &#x27;http://dx.doi.org/10.1016/j.jqsrt.2019.04.040&#x27;, &#x27;&#x27;)'"
       ]
      },
-     "execution_count": 13,
+     "execution_count": 104,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -603,26 +517,34 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 110,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "@article{tanintroduction,\n",
+      "  title={Introduction of water-vapor broadening parameters and their temperature-dependence exponents into the HITRAN database, Part I: CO2, N2O, CO, CH4, O2, NH3, and H2S},\n",
+      "  author={Tan, Y and Kochanov, RV and Rothman, LS and Gordon, IE},\n",
+      "  journal={Journal of Geophysical Research: Atmospheres},\n",
+      "  publisher={Wiley Online Library}\n",
+      "}\n"
+     ]
+    }
+   ],
    "source": [
     "\"\"\"Library to query Google Scholar.\n",
     "Call the method query with a string which contains the full search\n",
     "string. Query will return a list of citations.\n",
     "\"\"\"\n",
-    "\n",
     "GOOGLE_SCHOLAR_URL = \"https://scholar.google.com\"\n",
     "HEADERS = {'User-Agent': 'Mozilla/5.0'}\n",
-    "\n",
     "FORMAT_BIBTEX = 4\n",
     "FORMAT_ENDNOTE = 3\n",
     "FORMAT_REFMAN = 2\n",
     "FORMAT_WENXIANWANG = 5\n",
-    "\n",
-    "\n",
     "logger = logging.getLogger(__name__)\n",
-    "\n",
     "# we are using query in our code\n",
     "def query(searchstr, outformat=FORMAT_BIBTEX, allresults=False):\n",
     "    \"\"\"Query google scholar.\n",
@@ -651,7 +573,6 @@
     "    html = html.decode('utf8')\n",
     "    # grab the links\n",
     "    tmp = get_links(html, outformat)\n",
-    "\n",
     "    # follow the bibtex links to get the bibtex entries\n",
     "    result = list()\n",
     "    if not allresults:\n",
@@ -664,7 +585,6 @@
     "        bib = bib.decode('utf8')\n",
     "        result.append(bib)\n",
     "    return result\n",
-    "\n",
     "def get_links(html, outformat):\n",
     "    \"\"\"Return a list of reference links from the html.\n",
     "    Parameters\n",
@@ -689,15 +609,7 @@
     "    # escape html entities\n",
     "    reflist = [re.sub('&(%s);' % '|'.join(name2codepoint), lambda m:\n",
     "                      chr(name2codepoint[m.group(1)]), s) for s in reflist]\n",
-    "    return reflist"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 23,
-   "metadata": {},
-   "outputs": [],
-   "source": [
+    "    return reflist\n",
     "class Bibtex(object):\n",
     "    \"\"\" Convert doi number to bibtex entries.\"\"\"\n",
     "    def __init__(self, doi=None, title=None):\n",
@@ -709,35 +621,23 @@
     "        self.doi = doi\n",
     "        self.title = title\n",
     "        self.bibtex = None\n",
-    "        #if doi:\n",
-    "            #self._edoi = parse.quote(doi)\n",
-    "            #self.url = _base_url + self._edoi  # Encoded doi.\n",
-    "        #else:\n",
-    "            #self.url = None\n",
     "# Beautiful Soup is a Python library for pulling data out of HTML and XML files\n",
     "    def _soupfy(self, url):\n",
     "        \"\"\"Returns a soup object.\"\"\"\n",
     "        html = request.urlopen(url).read()\n",
     "        self.soup = BeautifulSoup(html, 'html.parser')\n",
-    "        return self.soup\n",
-    "    \n",
-    "    \n",
+    "        return self.soup   \n",
     "    def getGScholar(self):\n",
     "        \"\"\"Get bibtex entry from doi using Google database.\"\"\"\n",
     "        bib = query(self.doi, 4)[0]\n",
     "        bib = bib.split('\\n') \n",
     "        self.bibtex = '\\n'.join(bib[0:-1]) #-9\n",
     "        return self.bibtex\n",
-    "\n",
     "def main(argv=None):\n",
     "    if argv is None:\n",
     "        argv = sys.argv\n",
-    "\n",
-    "    #args = parse_args(argv[1:])\n",
-    "\n",
     "    doi = args.positional\n",
     "    method = args.method\n",
-    "\n",
     "    def allfailed():\n",
     "        \"\"\"All failed message+google try.\"\"\"\n",
     "        bold, reset = \"\\033[1m\", \"\\033[0;0m\"\n",
@@ -749,79 +649,12 @@
     "        \\n{1}\n",
     "        \"\"\".format(url, bib.bibtex)\n",
     "        return msg\n",
-    "\n",
-    "    bib = Bibtex(doi=doi)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 24,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "@article{lin2016dependence,\n",
-      "  title={Dependence of Nonadiabatic Couplings with Kohn--Sham Orbitals on the Choice of Density Functional: Pure vs Hybrid},\n",
-      "  author={Lin, Yuhan and Akimov, Alexey V},\n",
-      "  journal={The Journal of Physical Chemistry A},\n",
-      "  volume={120},\n",
-      "  number={45},\n",
-      "  pages={9028--9041},\n",
-      "  year={2016},\n",
-      "  publisher={ACS Publications}\n",
-      "}\n"
-     ]
-    }
-   ],
-   "source": [
+    "    bib = Bibtex(doi=doi)\n",
     "doi = '{}'.format(doi)       \n",
     "bib = Bibtex(doi)\n",
     "bib = bib.getGScholar()\n",
     "print(bib)"
    ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "#  <font color=orange> Authors List Fix\n",
-    "<font color=orange>This last part is in case you would like to change the authors list generated from ADS. ADS provides many options for formatting the authors list but HITRAN has a specific format that ADS does not provide. The next cell fixes the first name from the ADS output to what HITRAN uses"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 25,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Enter First Author Name Here: Akimov, Alexey V\n",
-      " Alexey V Akimov\n"
-     ]
-    }
-   ],
-   "source": [
-    "#s = \"de Ghellinck d'Elseghem Vaernewijck, X.\"\n",
-    "#s = \"Zhang, S. B.\"\n",
-    "#s = \"Zhang-Zow, Sh.\"\n",
-    "s = input(\"Enter First Author Name Here: \")\n",
-    "words = s.split(',') \n",
-    "string =[] \n",
-    "for word in words: \n",
-    "    string.insert(-1, word) \n",
-    "print(\" \".join(string)) "
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {
@@ -840,9 +673,10 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.9"
+   "version": "3.7.3"
   }
  },
  "nbformat": 4,
  "nbformat_minor": 2
 }
+
diff --git a/pyref/refs/models.py b/pyref/refs/models.py
index 165d148..bbdc469 100644
--- a/pyref/refs/models.py
+++ b/pyref/refs/models.py
@@ -243,7 +243,7 @@ def get_fields_from_bibcode(bibcode, fmt='html'):
               }
     r = requests.post('https://api.adsabs.harvard.edu/v1/export/custom',
                       headers={'Authorization': 'Bearer ' + ADS_TOKEN,
-                               'Content-type': 'application/json'}, \
+                               'Content-type': 'application/json'},
                       data=json.dumps(payload))
     response_json = r.json()
     title = response_json['export'] 
diff --git a/pyref/refs/tests.py b/pyref/refs/tests.py
deleted file mode 100644
index 62357a1..0000000
--- a/pyref/refs/tests.py
+++ /dev/null
@@ -1,19 +0,0 @@
-from django.test import TestCase
-
-
-class DOIResolveTest(TestCase):
-
-    def test_resolving_doi_populates_add_reference_page(self):
-        doi = '10.1103/PhysRevA.85.032515'
-        url = '/refs/resolve/?doi=' + doi
-        response = self.client.get(url)
-        
-        self.assertContains(response,
-    r'<input type="text" name="journal" value="Physical Review A" maxlength="500" id="id_journal" />', html=True)
-
-        self.assertContains(response,
-    r'''<textarea name="title_html" cols="40" rows="10" id="id_title_html">
-Complex-scaled multireference configuration-interaction method to study Be and Be-like cations&#39; (B, C, N, O, Mg) Auger resonances 1s2s&lt;SUP&gt;2&lt;/SUP&gt;2p &lt;SUP&gt;1,3&lt;/SUP&gt;P&lt;SUP&gt;o&lt;/SUP&gt;</textarea>''', html=True)
-        self.assertContains(response,
-    r'''<textarea name="title_latex" cols="40" rows="10" id="id_title_latex">
-Complex-scaled multireference configuration-interaction method to study Be and Be-like cations&#39; (B, C, N, O, Mg) Auger resonances 1s2s$^{2}$2p $^{1,3}$P$^{o}$</textarea>''', html=True)
diff --git a/pyref/refs/tests/test-dois.txt b/pyref/refs/tests/test-dois.txt
new file mode 100644
index 0000000..ab5eddb
--- /dev/null
+++ b/pyref/refs/tests/test-dois.txt
@@ -0,0 +1,35 @@
+DOI=10.1103/PhysRevA.85.032515
+JOURNAL=Physical Review A
+HTML=Complex-scaled multireference configuration-interaction method to study Be and Be-like cations&#39; (B, C, N, O, Mg) Auger resonances 1s2s&lt;SUP&gt;2&lt;/SUP&gt;2p &lt;SUP&gt;1,3&lt;/SUP&gt;P&lt;SUP&gt;o&lt;/SUP&gt;
+LATEX=Complex-scaled multireference configuration-interaction method to study Be and Be-like cations&#39; (B, C, N, O, Mg) Auger resonances 1s2s$^{2}$2p $^{1,3}$P$^{o}$
+
+DOI=10.1016/j.jqsrt.2019.04.040
+AUTHORS=R. J. Hargreaves, I. E. Gordon, L. S. Rothman, S. A. Tashkun, V. I. Perevalov, A. A. Lukashevskaya, S. N. Yurchenko, J. Tennyson, H. S.P. Müller
+JOURNAL=Journal of Quantitative Spectroscopy and Radiative Transfer
+TITLE=Spectroscopic line parameters of NO, NO2, and N2O for the HITEMP database
+HTML=Spectroscopic line parameters of NO, NO&lt;SUB&gt;2&lt;/SUB&gt;, and N&lt;SUB&gt;2&lt;/SUB&gt;O for the HITEMP database
+LATEX=Spectroscopic line parameters of NO, NO$_{2}$, and N$_{2}$O for the HITEMP database
+VOLUME=232
+PAGE_START=35
+PAGE_END=53
+YEAR=2019
+
+DOI=10.1016/j.jqsrt.2019.106711
+HTML=Calculated line lists for H&lt;SUB&gt;2&lt;/SUB&gt;&lt;SUP&gt;16&lt;/SUP&gt;O and H&lt;SUB&gt;2&lt;/SUB&gt;&lt;SUP&gt;18&lt;/SUP&gt;O with extensive comparisons to theoretical and experimental sources including the HITRAN2016 database
+LATEX=Calculated line lists for H$_{2}$$^{16}$O and H$_{2}$$^{18}$O with extensive comparisons to theoretical and experimental sources including the HITRAN2016 database
+ARTICLE_NUMBER=106711
+
+DOI=10.1016/j.jqsrt.2014.07.005
+AUTHORS=D. Golebiowski, X. De Ghellinck D’Elseghem Vaernewijck, M. Herman, J. Vander Auwera, A. Fayt
+HTML=High sensitivity (femto-FT-CEAS) spectra of carbonyl sulphide between 6200 and 8200 cm&lt;SUP&gt;-1&lt;/SUP&gt;, and new energy pattern in the global rovibrational analysis of &lt;SUP&gt;16&lt;/SUP&gt;O&lt;SUP&gt;12&lt;/SUP&gt;C&lt;SUP&gt;32&lt;/SUP&gt;S
+LATEX=High sensitivity (femto-FT-CEAS) spectra of carbonyl sulphide between 6200 and 8200 cm$^{-1}$, and new energy pattern in the global rovibrational analysis of $^{16}$O$^{12}$C$^{32}$S
+
+DOI=10.1016/j.jqsrt.2017.07.012
+TITLE=First high resolution analysis of the 3ν2 and3ν2−ν2bands of 32S16O2
+HTML=First high resolution analysis of the 3ν&lt;SUB&gt;2&lt;/SUB&gt; and 3ν&lt;SUB&gt;2&lt;/SUB&gt; -ν&lt;SUB&gt;2&lt;/SUB&gt; bands of &lt;SUP&gt;32&lt;/SUP&gt;S&lt;SUP&gt;16&lt;/SUP&gt;O&lt;SUB&gt;2&lt;/SUB&gt;
+LATEX=First high resolution analysis of the 3{\ensuremath{\nu}}$_{2}$ and 3{\ensuremath{\nu}}$_{2}$ -{\ensuremath{\nu}}$_{2}$ bands of $^{32}$S$^{16}$O$_{2}$
+
+DOI=10.1093/mnras/stt1971
+TITLE=The [ /Fe] ratios of very metal-poor stars within the integrated galactic initial mass function theory
+HTML=The [α/Fe] ratios of very metal-poor stars within the integrated galactic initial mass function theory
+LATEX=The [{\ensuremath{\alpha}}/Fe] ratios of very metal-poor stars within the integrated galactic initial mass function theory
diff --git a/pyref/refs/tests/tests.py b/pyref/refs/tests/tests.py
new file mode 100644
index 0000000..fa9ebf1
--- /dev/null
+++ b/pyref/refs/tests/tests.py
@@ -0,0 +1,51 @@
+from django.test import TestCase
+
+
+class DOIResolveTest(TestCase):
+
+    field_template = {}
+    field_template['AUTHORS'] = '''<textarea name="authors" cols="40" rows="10" id="id_authors">{}</textarea>'''
+    field_template['JOURNAL'] = '''<input type="text" name="journal" value="{}" maxlength="500" id="id_journal" />'''
+    field_template['VOLUME'] = '''<input type="text" name="volume" value="{}" maxlength="10" id="id_volume" />'''
+    field_template['PAGE_START'] = '''<input type="text" name="page_start" value="{}" maxlength="10" id="id_page_start" />'''
+    field_template['PAGE_END'] = '''<input type="text" name="page_end" value="{}" maxlength="10" id="id_page_end" />'''
+    field_template['YEAR'] = '''<input type="number" name="year" value="{}" id="id_year" />'''
+    field_template['ARTICLE_NUMBER']= '''<input type="text" name="article_number" value="{}" maxlength="16" id="id_article_number" />'''
+    field_template['TITLE'] = '''<textarea name="title" cols="40" rows="10" id="id_title">{}</textarea>'''
+    field_template['HTML'] = '''<textarea name="title_html" cols="40" rows="10" id="id_title_html">{}</textarea>'''
+    field_template['LATEX'] = '''<textarea name="title_latex" cols="40" rows="10" id="id_title_latex">{}</textarea>'''
+
+    def _get_val(self, line):
+        return line[line.index('=')+1:].strip()
+
+    def _read_test_dois(self):
+        test_dois = {}
+        with open('refs/tests/test-dois.txt') as fi:
+            for line in fi:
+                line = line.strip()
+                if not line or line.startswith('#'):
+                    continue
+                if line.startswith('DOI'):
+                    doi = self._get_val(line)
+                    test_dois[doi] = {}
+                    continue
+                for key in DOIResolveTest.field_template.keys():
+                    if line.startswith(key):
+                        val = self._get_val(line)
+                        test_dois[doi][key] = val
+                        break
+                else:
+                    print('Warning: unrecognised key:', key)
+        return test_dois
+
+
+    def test_resolving_doi_populates_add_reference_page(self):
+        test_dois = self._read_test_dois()
+
+        for doi, test_fields in test_dois.items():
+            url = '/refs/resolve/?doi=' + doi
+            response = self.client.get(url)
+        
+            for key, value in test_fields.items():
+                self.assertContains(response,
+                   DOIResolveTest.field_template[key].format(value), html=True)