1. The influence of electrical phenomena which arise in the cutting of wood on the wear of the tool;Alekseev;Derev. Prom.,1957
2. The Machining of Metals;Armarego,1969
3. On the tool wear of spur machine-bits in machine boring of western red cedar;Banshoya,1986
4. Electrical Discharge Machining: Tooling, Methods and Applications,1983