1. Study on the precision drilling of wood (1st report)—profile analysis of drilled hole;Kumabe;Journal of JSPE,1971
2. Study on the precision drilling of wood (2nd report)—drilling force and its accuracy;Kumabe;Journal of JSPE,1972
3. Study on vibratory drilling (2nd Report)—comparison of conventional drilling with vibratory drilling;Koyama;Journal of JSPE,1977
4. A study on burr in low frequency vibratory drilling—drilling of aluminum;Adachi;Bulletin of JSPE,1987
5. Burrless drilling by means of ultrasonic vibration;Takeyama;Annals of CIRP,1991