<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=windows-1252">
<META content="MSHTML 6.00.2600.0" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2><A
href="http://www.sics.se/~joe/thesis/spikblad.html">http://www.sics.se/~joe/thesis/spikblad.html</A></FONT></DIV>
<DIV> </DIV></BODY></HTML>