1. Bruni, R., Melgratti, H., Montanari, U.: Theoretical foundations for compensations in flow composition languages. In: POPL 2005 (2005)
2. Lecture Notes in Computer Science;M. Butler,2000
3. Lecture Notes in Computer Science;M. Butler,2004
4. Chessell: M., Vines, D., Griffin, C., Green, V., Warr, K.: Business process beans: System design and architecture document. Technical report, Transaction Processing Design and New Technology Development Group, IBM UK Laboratories (January 2001)
5. Curbera, F., Goland, Y., Klein, J., Leymann, F., Roller, D., Thatte, S., Weerawarana, S.: Business process execution language for web services, version 1.1 (2003),
http://www-106.ibm.com/developerworks/library/ws-bpel/