1. H. Kaneko, M. Homma andK. Nakamura, ?Proceedings of the 17th Conference on Magnetism and Magnetic Materials?, Chicago, 1971 (A.I.P., New York, 1971) p. 1088.
2. R. Cremer andI. Pfeiffer,Physica 80B (1975). 164.
3. I. M. Magat, G. V. Ivanova, T. P. Lapina, L. V. Solina andYa. S. Shur,The Physics of Metals and Metallography 40 (1975) 43.
4. Y. Iwama, M. Inagaki andY. Hoshino, Paper submitted to the 71st convention, Japan Institute of Metals, Autumn meeting, Nagoya University, 1972 (Proceedings unpublished).
5. M. Inagaki, K. Kimura andY. Iwama, Paper submitted to the 75th convention Japan Institute of Metals, Autumn meeting, Kinki University, 1974 (proceedings unpublished).