diff --git a/lec.tex b/lec.tex
index 5863200..10dec6c 100644
--- a/lec.tex
+++ b/lec.tex
@@ -25,6 +25,7 @@ Christian Merten\\
 \input{lec04}
 \input{lec05}
 \input{lec06}
+\input{lec07}
 
 \bibliographystyle{alpha}
 \bibliography{refs}