diff --git a/gipp.bib b/gipp.bib
index 9d67b710b9c2365c83e673fdd2fa383a3d5e03a8..13254bf69a610c48f955c21e18a70ed50c5e833f 100644
--- a/gipp.bib
+++ b/gipp.bib
@@ -1361,9 +1361,12 @@
 @inproceedings{Schubotz2018a,
   author    = {Schubotz, Moritz and Scharpf, Philipp and Dudhat, Kaushal and Nagar, Yash and Hamborg, Felix and Gipp, Bela},
   location  = {Fort Worth, USA},
+  biburl    = {https://www.emeraldinsight.com/action/showCitFormats?doi=10.1108%2FIDD-06-2018-0022},
   booktitle = {Proceedings of the ACM/IEEE-CS Joint Conference on Digital Libraries (JCDL), Workshop on Knowledge Discovery},
   date      = {2018-06},
+  doi       = {10.1108/IDD-06-2018-0022},
   keywords  = {schubotzCV},
+  preprint  = {https://www.emeraldinsight.com/eprint/FXthtRDDEGcMVzInHphu/full},
   title     = {Introducing MathQA - A Math-Aware Question Answering System},
 }