Modules for Hierarchical and Crosscutting Models by Klaus Ostermann PhD thesis. Technische Universität Darmstadt, Dep. of Computer Science, 2003. Citation as BibTeX @phdthesis{ostermann03phd, author = {Ostermann, Klaus}, title = {Modules for Hierarchical and Crosscutting Models}, school = {Technische Universität Darmstadt, Dep. of Computer Science}, year = {2003}, url = {http://www.informatik.uni-marburg.de/%7ekos/papers/thesis_klaus.pdf}, month = {jul}, month_numeric = {7} }