--- a/doc-src/Ref/ref.bbl Mon Sep 23 18:09:53 1996 +0200
+++ b/doc-src/Ref/ref.bbl Mon Sep 23 18:10:48 1996 +0200
@@ -28,12 +28,6 @@
\newblock In Mark~E. Stickel, editor, {\em 10th International Conference on
Automated Deduction}, LNAI 449, pages 366--380. Springer, 1990.
-\bibitem{Nipkow-LICS-93}
-Tobias Nipkow.
-\newblock Functional unification of higher-order patterns.
-\newblock In M.~Vardi, editor, {\em Eighth Annual Symposium on Logic in
- Computer Science}, pages 64--74. {\sc ieee} Computer Society Press, 1993.
-
\bibitem{nipkow-prehofer}
Tobias Nipkow and Christian Prehofer.
\newblock Type reconstruction for type classes.