1. R. F. Hehemann:Phase Transformation, p. 397, American Society for Metals, Metals Park, Ohio, 1970.
2. D. N. Shackelton and P. M. Kelly: Special Report 93, p. 126, The Iron and Steel Institute, London, 1965.
3. G. Thomas:Iron and Steel International, October 1973, p. 451.
4. J. M. Oblak and R. F. Hehemann:Transformation and Hardenability in Steels, p. 15, Climax Molybdenum Company of Michigan, Ann Arbor, Michigan, 1967.
5. R. F. Hehemann, K. R. Kinsman, and H. I. Aaronson:Met. Trans., 1972, vol. 3, p. 1077.