Update obsolete URL, per Chris.

diff --git a/doc/src/sgml/gist.sgml b/doc/src/sgml/gist.sgml
index 53e31a52dd4527d80b5f72235b55bc5eb6f3759e..42dd508e3ade740058d53620f163c43ee2efc382 100644 (file)
--- a/doc/src/sgml/gist.sgml
+++ b/doc/src/sgml/gist.sgml
@@ -33,7 +33,7 @@ $PostgreSQL$
     Some of the information here is derived from the University of California at
     Berkeley's GiST Indexing Project
     <ulink url="http://gist.cs.berkeley.edu/">web site</ulink> and 
-    <ulink url="http://citeseer.nj.nec.com/448594.html">
+    <ulink url="http://www.sai.msu.su/~megera/postgres/gist/papers/concurrency/access-methods-for-next-generation.pdf.gz">
     Marcel Kornacker's thesis, Access Methods for Next-Generation Database Systems</ulink>.
     The <acronym>GiST</acronym>
     implementation in <productname>PostgreSQL</productname> is primarily