1. 1) T. Gladman: Ironmaking Steelmaking, 19 (1992), No. 6, 4573.
2. 2) G. Auclair, R. Meilland and F. Meyer: Rev. Metall.-CIT, 93 (1996), No. 1, 119.
3. 3) M. Kawakami, T. Nishimura, T. Takenaka and S. Yokoyama: ISIJ Int., 39 (1999), No. 2, 164.
4. 4) S. Yongtae and J. S. Bae: IEEE Instrumentation and Measurement Technology Conf., IEEE, Piscataway, NJ, (2001), 1089.
5. 5) F. Ruby and G. Willay: Rev. Metall.-CIT, 94 (1997), No. 3, 368.