W. Schreiner, S. Dustdar:
"Collaborative Web Service Technologies";
Talk: Challenges in Collaborative Engineering (CCE'05), Sopron, Ungarn; 2005-04-13 - 2005-04-15; in: "DDECS'05 Proceedings", (2005).
http://aleph.ub.tuwien.ac.at/F?base=tuw01&func=find-c&ccl_term=AC05936422