1. 1) M. Hansen: Constitution of Binary Alloys, (1958), McGraw-Hill, New York.
2. 2) T. Rosenqvist: J. Iron Steel Inst., 175 (1954), 37.
3. 3) M. Nagamori and M. Kameda: Trans. JIM, 6 (1965), 21.
4. 4) O. Kubaschewski and E. LL. Evans: Metallurgical Thermochemistry, (1956), Butterworth-Springer, London.
5. 5) J. F. Elliott and M. Gleiser: Thermochemistry for Steelmaking, (1960), Addison-Wesley Press, Reading, Mass.