Jörn Freiheit Jonathan Billington Using TimeNET to Evaluate Operational Planning Processes. 17-32 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3080&spage=17 2004 conf/bpm/2004 Business Process Management db/conf/bpm/bpm2004.html#FreiheitB04