1. 1) T. Masuzawa : Yasasii Maikuro Kakou Gijyutu, Nikkan Kogyo Shimbun, (2000) 56 (in Japanese).
2. 2) T. Kawakami and M. Kunieda : Study on Factors Determining Limits of Minimum Machinable Size in Micro EDM, Annals of the CIRP, 54, 1, (2005) 167.
3. 3) K. Egashira and K. Mizutani : EDM at Low Open-Circuit Voltage, International Journal of Electrical Machining, 10, (2005) 21.
4. 4) H. Kurafuji and T. Masuzawa : Micro-EDM of Cemented Carbide Alloys, Journal of the Japan Society of Electrical-machining Engineers, 2, 3, (1968) 1 (in Japanese).
5. Incorporating Lifecycle Considerations in Axiomatic Design