André Vasconcelos Pedro Manuel Antunes Sousa José M. Tribolet Enterprise Architecture Analysis - An Information System Evaluation Approach. 31-53 2008 3 Enterprise Modelling and Information Systems Architectures 2 http://www.wi-inf.uni-duisburg-essen.de/MobisPortal/index.php?lang=en&&groupId=1&&contentType=JournalMembers&issue=5&showAbstract=31 db/journals/emisaij/emisaij3.html#VasconcelosST08