1. 1) R. J. FRUEHAN : Ironmaking Steelmaking, 3 (1976), p. 153
2. 3) M. KAWAKAMI, H. YOSHIGA, Y. KITAJIMA, M. NOMA and K. ITO : The Fifth Intern. Iron Steel Congress, Proc., Washington (1986), p. 751
3. 8) N. SEVINC and J. F. ELLIOTT : Ironmaking Steelmaking, 13 (1976), p. 268
4. 10) R. J. FRUEHAN : Metall. Trans., 8B (1977), p. 429
5. 11) P. SJÖVAL : Proc. The Second Japan-Sweden Joint Symp. on Ferrous Metallurgy, Tokyo (1978), p. 74