Aynur Abdurazik A. Jefferson Offutt Using UML Collaboration Diagrams for Static Checking and Test Generation. 383-395 http://link.springer.de/link/service/series/0558/bibs/1939/19390383.htm 2000 conf/uml/2000 UML db/conf/uml/uml2000.html#AbdurazikO00