diff --git a/lec.pdf b/lec.pdf
index 9e5ed4b..54fc521 100644
Binary files a/lec.pdf and b/lec.pdf differ
diff --git a/lec.tex b/lec.tex
index 353ace7..55480fe 100644
--- a/lec.tex
+++ b/lec.tex
@@ -21,6 +21,7 @@ Christian Merten\\
 
 \input{lec01}
 \input{lec02}
+\input{lec03}
 
 \bibliographystyle{alpha}
 \bibliography{refs}