diff --git a/courses/wuv.md b/courses/wuv.md
index 99da84939397dfade848a9184bccc89ff3f8e47b..6d06c4aafe8d40728f6215345c7bf93ea89359b1 100644
--- a/courses/wuv.md
+++ b/courses/wuv.md
@@ -26,6 +26,8 @@ die Arbeitsgruppe einzusteigen (z.B. für eine Promotion).
 | 25. 10. 2017| Michael Kohlhase| How to read scientific articles|
 | 1. 11. 2017 | Allerheiligen | ------ |
 | 8. 11. 2017| Tom Wiesing| Virtual Theories as a Uniform Interface to Mathematical Data Sources|
+| 15. 11. 2017 | Michael Kohlhase| Knowledge-Based Interoperability for Mathematical Software Systems|
+| 22. 11. 2017 | ???? | ????? | 
 | 29. 11. 2017| Theresa Pollinger|Model Knowledge Representation for HPC|
 | ?.?? 2017| Jonas Butz |Mathematical models as research data via flexiformal theory graphs|