S. Dustdar:
"Web Services Workflows - Composition, Coordination, and Transactions in Service-oriented Computing";
Concurrent Engineering: Research and Applications, June 2004 (2004), ISSN1063 293 X; 237 - 245.
http://aleph.ub.tuwien.ac.at/F?base=tuw01&func=find-c&ccl_term=AC04968338