1. 1) J. WERNER, D. DUKELOW, J. SPRUELL, T. THOMPSON and W. MACKELLAR : Steelmaking Conf. Proc., 68 (1985), p. 119
2. 2) P. KOROS, F. ROTE, J. WALLACE and D. WINTERS : Steelmaking Conf. Proc., 68 (1985), p. 81
3. 4) D. VENSEL and H. HENEIN : Steelmaking Conf. Proc., 68 (1985), p. 67
4. 14) J. GOEDERT, H. KLEIN, R. HENRION and J. LIESCH : Steel Times, 214 (1986), p. 83
5. 15) H. KLEIN, J. LIESCH, H. ISO and K. NAKAMURA : Steelmaking Conf. Proc., 68 (1985), p. 129