--- a/lang-comp.rst	Sat Apr 14 14:00:28 2012 +0300
+++ b/lang-comp.rst	Sat Apr 14 14:23:22 2012 +0300
@@ -41,3 +41,9 @@
   http://www.ohloh.net/languages/compare
                 User selected.
 
+Lang cost.
+==========
+
+  http://archive.adaic.com/intro/ada-vs-c/cada_art.html
+                Comparing Development Costs of C and Ada
+