1. CAM at the outer limits;Noaker;Manufact. Engng,1991
2. The real cost of rapid prototyping;Wohlers;Manufact. Engng,1991
3. The dynamics of digitizing;Schreiber;Manufact. Engng,1992
4. Initial graphics exchange specification (IGES) Version 4.0;U. S. Department of Commerce,1988
5. Brown & Sharp Manufacturing Company, Precision Park, North Kingston, R.I. 02852