1. 1) V. Ludlow, M. Thiele, J. Ciriza, J. J. Laraudogoitia and W. van der Koop: ECSC Report EUR 20299, European Commission, (2002).
2. 2) H. Kobayashi, T. Masaoka and M. Suzuki: Proc. of the Sixth Int. Iron and Steel Cong., ISIJ, Tokyo, (1990), 285.
3. 3) M. Suzuki, M. Suzuki and M. Nakada: CSM Annual Meeting Proc., (2001), 273.
4. 5) A. Reichert, K. H. Tacke, K. Harste, M. Hecht, J. Heilemann, U. Ölmann, K. Schwerdtfeger, B. Barber, R. C. Beaverstock and R. Walmsey: ECSC Report EUR 20190, European Commission, (2002).