1. O. Abeln (ed.), CAD-Referenzmodell, ISBN 3-519-06356-5, Teubner, Stuttgart, 1995.
2. AIT Consortium, Management Overview of the First Project Phase. ESPRIT Project 7704 Advanced Information Technology in Design and Manufacturing, 1994.
3. Aukstakalnis, S. and Blatner, D. (1992) Silicon Mirage. The Art and Science of Virtual Reality. Peachpit Press, Berkeley, CA.
4. Ronald M. Baecker, Readings in Groupware and Computer-Supported Cooperative Work, Morgan Kaufmann Publishers, Inc., 1993.
5. Beier, K.-P. Virtual Reality in Automotive Design and Manufacturing. University of Michigan, SAE-Congress 1994.