@inproceedings{SFM-2009-BravettiZ,
	author        = "Mario Bravetti and Gianluigi Zavattaro",
	booktitle     = "{Advanced Lectures of the Ninth International School on Formal Methods for the Design of Computer, Communication and Software Systems: Formal Methods for Web Services}",
	doi           = "10.1007/978-3-642-01918-0_7",
	isbn          = "978-3-642-01917-3",
	pages         = "261--295",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Contract-Based Discovery and Composition of Web Services}",
	volume        = 5569,
	year          = 2009,
}