1. 1) K. Hashimoto, H. Doi, K. Kasahara, T. Tsujimoto and T. Suzuki: Proc. 1st Jap. Int. SAMPE Sympo., Ed. by N. Igata et al., SAMPE, (1989), p. 150.
2. 2) H. Doi, K. Hashimoto, K. Kasahara and T. Tsujimoto: J. Japan Inst. Metals, 53 (1989), 1089;
3. Mater. Trans., JIM, 31 (1990), 975.
4. 3) S. Ochiai, Y. Oya and T. Suzuki: Acta Met., 32 (1984), 289.
5. 4) A. R. Miedema, R. Boom and F. R. de Boer: Crystal Structure and Chemical Bonding in Inorganic Chemistry, Ed. by C. J. M. Rooymans and A. Rabenau, North-Holland American Elsevier, (1975) p. 163.