1. J. D. Ayers, T. R. Tucker, and R. J. Schaefer:Source Book on Applications of the Laser in Metalworking, E. A. Metzbower, ed., ASM, Metals Park, OH, 1981, p. 301.
2. E. A. Metzbower, ed.:Source Book on Applications of the Laser in Metalworking, ASM, Metals Park, OH, 1981.
3. C. W. Draper :Journal of Metals, June 1982, pp. 24-32.
4. E. A. Metzbower, ed.:Applications of Lasers in Materials Processing, ASM, Metals Park, OH, 1979.
5. K. Mukherjee and J. Mazumder, eds.:Lasers in Metallurgy, TMS-AIME, Warrendale, PA, 1981.