Objektorientierte 3D Grafik - Grundlagen, Konzepte und praktische Realisierung. - Ekkehard Beier (International Thomson, 1994)

Object-Oriented Modeling of Graphical Primitives. - Ekkehard Beier (Workshop on Object-Oriented Graphics, 1994)

Issues on Hierarchical Graphical Scenes. - Ekkehard Beier (Eurographics Workshop on Programming Paradigms in Graphics, 1995)

A Generic Approach to Computer Graphics. - Ekkehard Beier (VisMath, 1995)

A Constraint-Based Manipulator Toolset for Editing 3D Objects. - Ching-yao Hsu; G. Alt; Z. Huang; Ekkehard Beier; Beat D. Brüderlin (Symposium on Solid Modeling and Applications, 1997)