1. I. E. Startseva, V. V. Shulika, and Ya. S. Shchur, Fiz. Met. Metalloved.,34, 753 (1972).
2. H. Fahlenbrach, Ann. Phys.,2, 355 (1948).
3. J. Ratenau, in: Magnetic Properties of Metals and Alloys [Russian translation], IL, Moscow (1961), p. 226.
4. L. Alberts, Nuovo. Cimento,32, 64 (1964).
5. A. Kuke, H. Kronmüller, and H. Shultz, Phys. Status Solidi (a),25, 523 (1974).