1. 1) C. W. SHERMAN, H. I. ELVANDER and J. CHIPMAN: Trans. Met. Soc., Amer. Inst. Min., Met.& Pet. Eng., 188 (1950), 334
2. 3) G. ST. PIERRE and J. CHIPMAN: J. Amer. Chem. Soc., 76 (1954), 4787
3. 4) J. CHIPMAN:“Basic Open Hearth Steelmaking” A. I. M. E., (1951), 571
4. 5) C. WAGNER:“Thermodynamics of Alloys”(1952), 51
5. 6) J. CHIPMAN: J. Iron & Steel Inst.(U. K.), 180 (1955), 97