diff --git a/common/refs.bib b/common/refs.bib
index 0ed59d7..648560b 100644
--- a/common/refs.bib
+++ b/common/refs.bib
@@ -237,4 +237,5 @@
   booktitle   = {Mixed Criticality Systems - WMC 2016},
   pages       = {13-14},
   year        = {2016},
+  url         = {http://ls12-www.cs.tu-dortmund.de/daes/media/documents/publications/downloads/2016-wmc.pdf},
 }