1. Intelligent manufacture of laser cutting, punching and bending parts;Ehrismann;Robotics & Computer-Integrated Manufacturing,1988
2. EHRISMANN, R, REISSNER, J, 1988, Kopplung von CAD und Expertensystemen in der Blechumformung, VDI-Z 130, Nr. 11.
3. Stanztechnik 1-111;Krabbe,1932
4. Der modern Stanzbetrieb;Brankamp,1986
5. Lasers in manufacturing;Luxon,1987