1. Tamura, T., YAMADA, H. (1999) Surface Modification of Cemented Carbides Machined by EDM Using Oxidizing Treatment, Journal of JSPE, 65/10: 1502-1506.
2. Tamura, T, YAMAYA, K. (2007) Combined Polishing of Cemented carbide with a Fine Hole, 15th International symposium for Electro Machining, Pittsburgh, USA: 621-624.
3. Tamura, T, KANEKO, K. (2010) Development of On-the- Machined Surface Modification Technology in WEDM, 16th International symposium for Electro Machining, Shanghai, CHINA: 233-236.