Volker Braun Tiziana Margaria Bernhard Steffen The Electronic Tool Integration Platform (ETI) and the Petri Net Technology. 363-382 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2472&spage=363 2003 conf/dfg/2003 Petri Net Technology for Communication-Based Systems db/conf/dfg/petri2003.html#BraunMS03