1. M. A. Grossman:Trans. TMS-AIME, 1942, vol. 150, p. 242.
2. R. A. Grange and J. B. Mitchell:Trans. ASM, 1954, vol. 46, p. 446.
3. D. H. Ruhnke:Trans. ASM, 1954, vol. 46, p. 476, Discussion of Ref. 2.
4. R. A. Grange and T. M. Garvey:Trans. ASM, 1946, vol. 37, p. 136.
5. G. D. Rahrer and C. D. Armstrong:Trans. ASM, 1948, vol. 40, p. 1099.