1. J. Charles, A. Berghezan, A. Lutts, and P. L. Dancoisne:Met. Prog., 1981, vol. 119, p. 71.
2. U.S. Steel: The Making, Shaping, and Treating of Steel, 9th ed., H. E. McGannon, ed., Herbick and Held, Pittsburgh, PA, 1971, p. 1210.
3. V. F. Zackay, E. R. Parker, D. Fahr, and R. Busch:Trans. ASM, 1967, vol. 60, p. 252.
4. G. B. Olson and M. Azrin:Metall. Trans. A, 1978, vol. 9A, p. 713.
5. I. Tamura:Met. Sci., 1982, vol. 16, p. 245.