1. 1) R. J. POMFRET and P. GRIEVESON : Ironmaking Steelmaking, 5 (1978), p. 191
2. 2) S. K. TARBY and W. O. PHILBROOK : Trans. Metall. Soc. AIME, 239 (1967), p. 1005
3. 3) T. YAGI and Y. ONO : Trans. ISIJ, 10 (1970), p. 36
4. 4) W. L. DAINES and R. D. PEHLKE : Metall. Trans., 2 (1971), p. 1203
5. 8) E. T. TURKDOGAN : BOF Steelmaking, ed. by R. D. PEHLKE, W. F. PORTER, R. F. URBAIN, and J. M. GAINES, 2 (1975), Chapter 4 [Iron Steel Soc. AIME]