diff --git a/blogs.md b/blogs.md
index 5ae9157..242179a 100644
--- a/blogs.md
+++ b/blogs.md
@@ -48,6 +48,10 @@ http://bugra.github.io/
 
 http://opendata.cern.ch/
 
+http://alexanderetz.com/
+
+http://www.sumsar.net/
+
 ##### Math
 
 http://www.sumsar.net/