1. J. A. Schey, and P. W. Wallace, “Advances in Machine Tool Design and Research,” p. 1361, Pergamon Press, 1968.
2. P. K. Wright, D. A. Bourne, J. P. Colyer, G. S. Schatz, and J. A. E. Isasi, “Flexible Manufacturing Cell for Swaging,” MECHANICAL ENGINEERING, pp. 76-83, 1982.
3. N. Nakajima, T. Tohdo, Y. Kishi, and K. Hongo, Bull. of JSPE, 13-1.
4. J. P. Kruth, M. C. Leu, and T. Nakagawa, “Progress in Additive Manufactureing and Rapid Prototyping,” Annals of the CIRP, Vol.47/2/1998, pp. 525-540.
5. T. Nakagawa, K. Suzuki, and H. Noguchi, “Application of Laser Beam Maching into the Manufacturing of Blanking tool,” Proc. of 4th ICTP Tokyo, Aug., 1980, pp. 820-825.