1. 2nd Int. Conf. On Machining and Measurements of Sculptured Surfaces 2000, Krakow, Poland, Sept. 20-22
2. Conference on Die Manufacturing with Future, 2000, Aachen, Germany, Sept. 27-28.
3. CIRP-Works hop on Machining of Dies and Mold, 2001, Paris, January 24.
4. 2nd Int. Conf. On Design and Production of Dies and Molds, 2001, Kusuadasi, Turkey, June 21-23.
5. Manufacturing of Dies and Molds;Altan;Annals of the CIRP,2001