1. 1) Y. Ogino, S. Murayama and T. Yamasaki: J. Less-Comm. Metals, 168 (1991), 221.
2. 2) Y. Ogino, M. Miki, T. Yamasaki and T. Inuma: Materials Science Forum, Ed. by P. H. Shingu, Trans. Tech. Publications, Switzerland, 88-90 (1992), p. 795.
3. 3) A. Calka and J. S. Williams: ibid., p. 787.
4. 4) M. S. EI-Eskandarany, K. Sumiyama, K. Aoki and K. Suzuki: ibid., p. 801.
5. 5) T. Koyano, C. H. Lee, T. Fukunaga and U. Mizutani: ibid., p. 809.