1. T. Wholers, Rapid Prototyping State of The Industry—1999 World Wide Progress Report, RPA-SME Publication, 1999.
2. D.L. Bourell, J.J Beaman, H.L. Marcus, J.W. Barlow, Solid freeform fabrication: an advanced manufacturing approach, in: Proceedings of the SFF Symposium, 1990, pp. 1–7.
3. State of the art Virtual Reality hardware for computer-aided design;Springer;Journal of Manufacturing Systems,1996
4. S. Resseler, Applying Virtual Environments to Manufacturing, NISTIR, p. 5343.
5. Virtual Prototyping—an approach using VR techniques;Dai;Computer in Engineering,1994