diff --git a/sp_techniques.html b/sp_techniques.html
index 4b7363b..f869279 100644
--- a/sp_techniques.html
+++ b/sp_techniques.html
@@ -624,7 +624,7 @@ public:
 		<h2><A name="wrapper">Using <code>shared_ptr</code> to wrap member function calls</A></h2>
 		<p><code>shared_ptr</code> implements the ownership semantics required from the <code>Wrap</code>/<code>CallProxy</code>
 			scheme described in Bjarne Stroustrup's article "Wrapping C++ Member Function 
-			Calls" (available online at <A href="http://www.research.att.com/~bs/wrapper.pdf">http://www.research.att.com/~bs/wrapper.pdf</A>). 
+			Calls" (available online at <A href="http://www.stroustrup.com/wrapper.pdf">http://www.stroustrup.com/wrapper.pdf</A>). 
 			An implementation is given below:</p>
 		<pre>template&lt;class T&gt; class pointer
 {