Gian Luigi Ferrari Roberto Guanciale Daniele Strollo Emilio Tuosto Event-Based Service Coordination. 312-329 2008 Concurrency, Graphs and Models http://dx.doi.org/10.1007/978-3-540-68679-8_20 conf/birthday/2008montanari db/conf/birthday/montanari2008.html#FerrariGST08