1. Abe, M. (1983) and Tamaura, Y. Jap.J. Appl. Phys, 22, L511.
2. Abe, M. (1984) and Tamauia, Y, J.Appl. Phys. 55, 2614.
3. Abe, M. (1985) and Tamaura, Y., Advances in Ceramics, 15, 639.
4. Abe, M. (1987a), Itoh, Y, Tamaura, Y, and Gorni, M., Presented at Conference on Magnetism and Magnetic Materials, Chicago, Nov. 9-12, 1987, Paper EP-05.
5. Abe, M. (1987b) and Itoh,Y, Presented at Intermag Conference, Tokyo, Apr. 14-17, 1987 Paper HD-07.