1. D. E. Diesburg, C. Kum, and W. Fairhurst, “Heat Treatment ’81”; conf. proc. Birmingham, England, Sept. 1981, p. 178.
2. C. Razim, “Alloys for the 80’s,” conf. proc, Ann Arbor, Michigan, 1980, p. 9.
3. R.B. Bertolo, R.T. Ault, and R.M. Cobbett, SAE technical paper series, No 810424 (1981).
4. O. Sandberg, W. Westerhult, and W. Roberts,J. Heat Treat., vol. 4, No. 2, 1985, p. 184.
5. M. Nilsson, O. Sandberg, and W. Roberts, Swedish Institute for Metals Research, unpublished work.