1. EDM—future steps towards the machining of ceramics;Koenig;Ann. CIRP,1998
2. D.F. Dauw, Charmilles technologies: facing the future, in: Paper Presented During the Inauguration of CT-Japan, Yokohama, Japan, 14 April 1989.
3. D.R. Stovicek, The State-of-the-art EDM Science: Tooling and Production, vol. 59, No. 2, Nelson Publishing Inc., Ohio, USA, May 1993, p. 42.
4. Surface topography investigations by fractal analysis of spark eroded electrically conductive ceramics;Dauw;Ann. CIRP,1990
5. D. Brink, EDM: Principles of Operation, EDM Technology Transfer. http://www.edmtt.com.