--- wikisrc/pkgsrc/hardening.mdwn	2016/03/17 14:02:06	1.9
+++ wikisrc/pkgsrc/hardening.mdwn	2016/03/17 14:02:38	1.10
@@ -164,3 +164,7 @@ additional symbols in the resulting file
 
 This is an indicator that the program was indeed built with support for SSP.
 
+# References
+
+* <http://tk-blog.blogspot.co.at/2009/02/relro-not-so-well-known-memory.html>
+