1. G. H. Harth, W. C. Leslie, V. G. Gregson, Jr., and B. A. Sanders:J. Met., 1976, vol. 28, p. 4.
2. D. S. Gnanamuthu, C. B. Shaw, Jr., W. E. Lawrence and M. R. Mitchell:Laser-Solid Interactions and Laser Processing—1978, S. D. Ferris, H. J. Leamy, and J. M. Poate, eds., p. 171, American Institute of Physics, 1979.
3. Young-Won Kim, P. R. Strutt and H. Nowotny:Met. Trans. A., 1979, vol. 10A, p. 881.
4. W. Weibull:Trans. AIME, J.Appl. Mech., 1951, vol. 73, p. 293.