1. Z. Nishiyama: Martensitic Transformation, Academic Press, New York, NY, 1978.
2. A. Giamei, J. Burma, and J. Freise: Cobalt, 1968, vol. 39, pp. 88–96.
3. G.D. Smith: U.S. Patent No. 3,356,542, 1967.
4. J.S. Slaney and R.A. Nebiolo: Metallography, 1983, vol. 16, pp. 137–61.
5. J.S. Slaney: U.S. Patent No. 3,367,385, 1973.