1. Virtual reality, scientific and technological challenges;Durlach,1995
2. JDCAD: a highly interactive 3D modeling system;Liang;Comput Graphics,1994
3. Creation of freeform solid models in virtual reality;Leu;Ann CIRP,2001
4. COVIRDS: shape modeling in a virtual reality environment;Dani,1997
5. Human interface using the Rutgers Master II force feedback interface;Fabiani,1996