Update publication list

docs/publist.html

@@ -34,6 +34,14 @@
       <a href="http://ceur-ws.org/Vol-2414/paper14.pdf">PDF</a> 
       <a href="https://arxiv.org/pdf/1905.08359">Preprint</a>
    </li>
+   <li>
+      <strong>Mathematical research data -- an analysis through zbMATH references.</strong>
+      <br/>K Hulek, F Müller, M Schubotz, O Teschke<br/>
+      <em>European Mathematical Society (EMS) Publishing House, Zurich</em>
+      <br/>
+      <a href="https://www.ems-ph.org/journals/show_pdf.php?issn=1027-488X&amp;vol=9&amp;iss=113&amp;rank=14">PDF</a> 
+      <a href="https://zbmath.org/bibtex/07111212.bib">Bibtex</a>
+   </li>
    <li>
       <strong>Towards Formula Concept Discovery and Recognition</strong>
       <br/>P Scharpf, M Schubotz, HS Cohl, B Gipp<br/>