Ralf Mendgen

Issues in Global Trade , Transactions , and Practices

L. Lefebvre, É. Lefebvre, R. Goonatilake, 2009 .

Cross-Border E-Collaboration for New Product Development in the Automotive Industry

Louis A. Lefebvre, Élisabeth Lefebvre, Ralf Mendgen, 2006, Proceedings of the 39th Annual Hawaii International Conference on System Sciences (HICSS'06).

Modelling with constraints: theoretical foundation and application

Reiner Anderl, Ralf Mendgen, R. Anderl, 1996, Comput. Aided Des..

Parametric design and its impact on solid modeling applications

Reiner Anderl, Ralf Mendgen, R. Anderl, 1995, Symposium on Solid Modeling and Applications.

Analyzing and Optimizing Constraint-Structures in Complex Parametric CAD Models

Reiner Anderl, Ralf Mendgen, R. Anderl, 1998 .