Adnene Guabtni François Charoy Multiple Instantiation in a Dynamic Workflow Environment. 175-188 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3084&spage=175 2004 conf/caise/2004 CAiSE db/conf/caise/caise2004.html#GuabtniC04