1. Multilevel Modeling;Business & Information Systems Engineering;2014-11-06
2. Mehrebenen-Modellierung;WIRTSCHAFTSINFORMATIK;2014-11-06
3. Formal Descriptions;Situational Method Engineering;2013-11-18
4. Introduction;Situational Method Engineering;2013-11-16
5. Ptolemaic Metamodelling?;Advances in Systems Analysis, Software Engineering, and High Performance Computing;2013