<?xml version="1.0"?>
<coauthors author="Hong Bin">
<author urlpt="a/Ahonen:Tapani" count="1">Tapani Ahonen</author>
<author urlpt="n/Nurmi:Jari" count="1">Jari Nurmi</author>
<author urlpt="s/Sig=uuml=enza=Tortosa:David_A=" count="1">David A. Sig&#252;enza-Tortosa</author>
</coauthors>
