Generative Computergraphik und Animation
W. Leister
Technische Rundschau, 80(3):56-61, 1988

Realistic computer graphics - From CAD to hyperrealistic images
W. Leister
Transfer, 4(5):36-40, 1988

Occursus cum novo - Computer Animation by Ray Tracing in a Network
W. Leister, H. Müller, B. Neidecker, and A. Stößer
In N. Magnenat Thalmann and D. Thalmann, editors, New Trends in Computer Graphics, pages 83-92. Springer Verlag, Heidelberg, 1988

Occursus cum novo - Tools for efficient photorealistic computer animation
A. Stößer, A. Schmitt, B. Neidecker, H. Müllerand, T. Maus, and W. Leister
In D. Duce and P. Jancene, editors, Eurographics '88, Amsterdam, 1988. Elsevier Science Publ. Comp., Nizza