diff --git a/SRU.ipynb b/SRU.ipynb
index 2ca52e50ee6f91a273d338394ed29e8474d1d18f..8f82e7ee2e26e982d36622915d269c9c8a1ea57a 100644
--- a/SRU.ipynb
+++ b/SRU.ipynb
@@ -120,7 +120,22 @@
     "    linksJoined = \", \".join(result)\n",
     "    barcodesJoined = \", \".join(barcodes)\n",
     "    #returns a list with URLs and Barcodes\n",
-    "    return [linksJoined, barcodesJoined]"
+    "    return [linksJoined, barcodesJoined]\n",
+    "\n",
+    "def getCatalogLink(local_mms_id):\n",
+    "    print(local_mms_id)\n",
+    "    cont=requests.get('https://open-na.hosted.exlibrisgroup.com/alma/43ACC_ONB/bf/entity/instance/' + local_mms_id).content\n",
+    "    e = etree.XML(cont)\n",
+    "    namespaces = {\n",
+    "        'rdf': 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',\n",
+    "        'bf': 'http://id.loc.gov/ontologies/bibframe/',\n",
+    "        'rdfs': 'http://www.w3.org/2000/01/rdf-schema#',\n",
+    "        'bflc': 'http://id.loc.gov/ontologies/bflc/'\n",
+    "    }    \n",
+    "    result = e.xpath('/rdf:RDF/bf:Work/bf:partOf/bf:Work/bf:identifiedBy/bf:Identifier/rdf:value/text()', namespaces=namespaces)\n",
+    "    if not result:\n",
+    "        result = e.xpath('/rdf:RDF/bf:Instance/bf:identifiedBy/bf:Local/rdf:value/text()', namespaces=namespaces)\n",
+    "    return 'http://data.onb.ac.at/rec/' + result[0]"
    ]
   },
   {
@@ -279,9 +294,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "labs",
    "language": "python",
-   "name": "python3"
+   "name": "labs"
   },
   "language_info": {
    "codemirror_mode": {