Peter Bichler,
"Conceptual Design of Secure Workflow Systems: An Object-Oriented Approach to the Uniform Modeling of Workflows, Organizations, and Security"
, 5-1998, Dissertation, ausgeführt an der Universität Linz, Institut für Wirtschaftsinformatik, Data & Knowledge Engineering, Mai 1998.
Original Titel:
Conceptual Design of Secure Workflow Systems: An Object-Oriented Approach to the Uniform Modeling of Workflows, Organizations, and Security