1. A. Hultgren and E. Hagglund:Trans. ASM, 1957, vol. 9, p. 820.
2. J. Kary:Metals Progr., 1948, vol. 53, p. 218.
3. R. Chatterjee-Fischer:Härt.-Tech. Mitt., 1973, vol. 28, p. 259.
4. C. Dawes and R.J. Cooksey:Heat Treat. Met. (Special Report No. 95), p. 77, The Iron and Steel Institute, 1966.
5. R. Chatterjee-Fischer:Metall. Trans. A, 1978, vol. 9, p. 1533.