Ralph-Johan Back Dag Björklund Johan Lilius Luka Milovanov Ivan Porres A Workbench to Experiment on New Model Engineering Applications. 96-100 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2863&spage=96 2003 conf/uml/2003 UML db/conf/uml/uml2003.html#BackBLMP03