1. Newcomer, E., Lomow, G.: Understanding SOA with Web Services. Addison-Wesley, Reading (2004)
2. van der Aalst, W., Hofstede, A.: YAWL: Yet Another Workflow Language. Technical report, Queensland University of Technology, Brisbane (2002)
3. Keller, G., Nüttgens, M., Scheer, A.W.: Semantische Prozessmodellierung auf der Grundlage Ereignisgesteuerter Prozessketten (EPK). Technical Report 1989, Institut für Wirtschaftsinformatik, Universität des Saarlandes (1992)
4. Andrews, T., et al.: Business Process Execution Language for Web Services version 1.1 (2003)
5. Dumas, M., Hofstede, A.: UML Activity Diagrams as a Workflow Specification Language. In: UML 2001: Proceedings of the 4th International Conference on The Unified Modeling Language, Modeling Languages, Concepts, and Tools, London, UK, pp. 76–90. Springer, Heidelberg (2001)