On the Integration of Roles in the UML
R. Depke, G. Engels, J. Küster, On the Integration of Roles in the UML, University of Paderborn, Department of Computer Science, 2000.
LibreCat: /record/8207

Modeling Agent-Based Systems with Graph Transformation
R. Depke, R. Heckel, J. Küster, Modeling Agent-Based Systems with Graph Transformation, University of Paderborn, Department of Computer Science, 2000.
LibreCat: /record/8208

UML Collaboration Diagrams and Their Transformation to Java
G. Engels, R. Hücking, S. Sauer, A. Wagner, UML Collaboration Diagrams and Their Transformation to Java, University of Paderborn, Department of Computer Science, 1999.
LibreCat: /record/8204

Graph Transformation for Specification and Programming
M. Andries, G. Engels, A. Habel, B. Hoffmann, H.-J. Kreowski, S. Kuske, D. Plump, A. Schürr, G. Taentzer, Graph Transformation for Specification and Programming, University of Bremen, Department of Mathematics and Computer Science, 1996.
LibreCat: /record/8197

Operational Semantics of Algebraic Specifications with Conditional Equations
U. Pletat, G. Engels, H.-D. Ehrich, Operational Semantics of Algebraic Specifications with Conditional Equations, University of Dortmund, Department of Computer Science, 1981.
LibreCat: /record/8185