1. Lecture Notes in Artificial Intelligence;M. Bravetti,2001
2. Bravetti, M., Zavattaro, G.: Towards a Unifying Theory for Choreography Conformance and Contract Compliance. Technical report available at http://cs.unibo.it/~bravetti
3. Lecture Notes in Computer Science;N. Busi,2005
4. Lecture Notes in Computer Science;N. Busi,2006
5. Lecture Notes in Computer Science;M. Carbone,2007