--- gforth/doc/gforth.ds	1998/07/16 08:53:08	1.16
+++ gforth/doc/gforth.ds	1998/07/25 19:39:24	1.17
@@ -1267,7 +1267,8 @@ or you don't care that the results you g
 want to learn about the problems of floating point numbers (and how to
 avoid them), you might start with @cite{David Goldberg, What Every
 Computer Scientist Should Know About Floating-Point Arithmetic, ACM
-Computing Surveys 23(1):5@minus{}48, March 1991}.
+Computing Surveys 23(1):5@minus{}48, March 1991}
+(@url{http://www.validgh.com/goldberg/paper.ps}).
 
 doc-f+
 doc-f-