Opfer, Stephan, Triller, Stefan, Scheuermann, Stephan, Amma, Till, Blumenstein, Michael and Glogic, Ilhan 1st Kassel Student Workshop on Security in Distributed Systems (Seminar Sicherheit in verteilten Systemen). (2008, 1) , University of Kassel (2008). , Thomas Weise, Philipp Baer, eds. online version .