diff --git a/doc/bib.bib b/doc/bib.bib
index bf14c2c..9d6f40b 100644
--- a/doc/bib.bib
+++ b/doc/bib.bib
@@ -110,3 +110,14 @@
 	Note="Available online \url{http://java.dzone.com/articles/reverse-engineer-source-code-u}",
 	Author="Meera Subbarao"
 }
+
+@CONFERENCE{SG16,
+	author={Seifermann, S. and Groenda, H.},
+	title={Survey on textual notations for the Unified Modeling Language},
+	journal={MODELSWARD 2016 - Proceedings of the 4th International Conference on Model-Driven Engineering and Software Development},
+	year={2016},
+	pages={28--39},
+	note={cited By 0},
+	url={https://www.cooperate-project.de/images/publications/MODELSWARD2016.pdf},
+	document_type={Conference Paper},
+}