1. Engineering Handbook, A. Jolly (Consultant Ed. ), Kogan Page Ltd., London, 1996.
2. Material incress manufacturing by rapid prototyping techniques;Kruth;Ann. CIRP,1991
3. DTM Corporation. www.dtm-corp/applications/chrysler-appl.html.
4. Duct User, Delcam International plc., No. 14, November 1994.
5. Oulu Institute of Technology. teknokeskus.otol.fi/rp/english/process/rtv/rtv.htm.