diff --git a/networks/README.md b/networks/README.md
index c131dc2..f987a33 100644
--- a/networks/README.md
+++ b/networks/README.md
@@ -6,8 +6,7 @@
 
 
 
-
-
+* [The Design Philosophy of the DARPA Internet Protocols](ccr.sigcomm.org/archive/1995/jan95/ccr-9501-clark.pdf)