Index: doc/bibliography/pl.bib
===================================================================
--- doc/bibliography/pl.bib	(revision e62802f05d6dda6a066a3df601dbb889a87092bf)
+++ doc/bibliography/pl.bib	(revision e59a9faa5ade19bf6de002cee277c49847723078)
@@ -7453,4 +7453,13 @@
 }
 
+@inproceedings{Kahn74,
+    keywords	= {programming language, obect-oriented, polymorphism},
+    contributer	= {pabuhr@plg},
+    title	= {The Semantics of a Simple Language for Parallel Programming},
+    author	= {Gilles Kahn},
+    booktitle	= {IFIP Congress},
+    year	= 1974,
+}
+
 @article{Baker78,
     keywords	= {Algol display, FUNARG's, Lisp 1.5, deep binding, environment trees, multiprogramming, shallow binding},