1. Spark machining;Bucklow;Metall. Rev.,1969
2. Some aspects of research on electro-erosion machining;Heuvelman;Ann. CIRP,1969
3. Investigations of EDM operations by means of thermal-mathematical models;Snoeys;Ann. CIRP,1971
4. An introductory investigation of the breakdown mechanism in EDM;Heuvelman;Ann. CIRP,1971
5. EDM: the state of the art;Crookall;Ann. CIRP,1971