1. The Effect of Shape of Tool Point with Dwindling of Drill Diameter on Drilling: Burr in the Case of 0.02%C Steel;Sugawara;Journal of the JSPE,1978
2. Micro-Drilling with Twist Drill;Tsukada;Journal of the JSPE,1971
3. Instrument Lathes Used in Drilling Holes as Small as 0.0006 Inch;Levin;Machinery, Mar. 1958, 126 through Machinery (in Japanese),1963
4. Instrument Lathes Used in Drilling Holes as Small as 0.0006 Inch;Levin;Machinery, Mar. 1958, 126 through Machinery (in Japanese),1963
5. Kikai Kagogaku;Tsuwa,1976