1. 1) Y.Matsukura, A.Koike, M.Yoshida, M.Yariyama and T.Sasaki : CAMP-ISIJ, 8 (1995), 141.
2. 2) H.Ito, A.Koike, Y.Matsukura, M.Matsumura, Y.Nishiyama and Y. Ujisawa : CAMP-ISIJ, 9 (1996), 824.
3. 3) K.Katayama, H.Ito, M.Matsumura, Y.Nishiyama and A.Koike : CAMP-ISIJ, 10 (1997), 218.
4. 4) K.Mochizuki, T.Murai, Y.Kawaguchi and Y.Iwanaga : Tetsu-to-Hagané, 72 (1986), 1855.
5. 5) K.One, T.Kawaguchi, M.Hoshi, Y.Hadano and T.Umezaki : Rev. Métall., Cah. Inf. Tech., (1998) Mar., 321.