Gregor Engels Andreas Hess Bernhard Humm Oliver Juwig Marc Lohmann Jan-Peter Richter Markus Voß Johannes Willkomm A Method for Engineering a True Service-Oriented Architecture. 272-281 2008 ICEIS (3-2) conf/iceis/2008-3-2 db/conf/iceis/iceis2008-3-2.html#EngelsHHJLRVW08