Xin Feng Lixin Tang Ho-fung Leung Applying GENET to the JSSCSOP. 454-461 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3173&spage=454 2004 conf/isnn/2004-1 ISNN (1) db/conf/isnn/isnn2004-1.html#FengTL04