H. Kern, M. Böttcher, S. Kühne, и K. Meyer. Dienstleistungsmodellierung -- Methoden, Werkzeuge und Branchenlösungen, стр. 3--16. Berlin, Physica-Verlag, (2009)
H. Kern, и S. Kühne. 2nd ECMDA Workshop on Model-Driven Tool & Process Integration, 24 June 2009, at Fifth European Conference on Model-Driven Architecture Foundations and Applications 2009, Enschede, Netherlands, (2009)