Marcos López Sanz Zawar Qayyum Carlos E. Cuesta Esperanza Marcos Flávio Oquendo Representing Service-Oriented Architectural Models Using pi-ADL. 273-280 2008 ECSA http://dx.doi.org/10.1007/978-3-540-88030-1_21 conf/ecsa/2008 db/conf/ecsa/ecsa2008.html#SanzQCMO08