<surname>Bruyninckx</surname>
<email>Herman.Bruyninckx@mech.kuleuven.ac.be</email>
</author>
+ <author>
+ <firstname>Bernd</firstname>
+ <surname>Porr</surname>
+ <email>Bernd.Porr@glasgow.ac.uk</email>
+ </author>
<copyright>
<year>1998-2003</year>
<holder>David Schleef</holder>
<year>2002-2003</year>
<holder>Herman Bruyninckx</holder>
</copyright>
+ <copyright>
+ <year>2012</year>
+ <holder>Bernd Porr</holder>
+ </copyright>
<abstract>
<para>