1. S. V. Vonsovskii, Magnetism [in Russian], Nauka, Moscow (1971).
2. E. I. Kondorskii, Band Theory of Magnetism [in Russian], Part 2. MSU, Moscow (1977).
3. S. P. Yatsenko, S. S. Semyanikov, A. O. Shakarov, and E. G. Fedorova, JLCM, 90, No. 1, 95−108 (1983).
4. L. I. Mirkin, X-ray Diffraction Analysis. Reference Guide. Diffraction Patterns [in Russian], Nauka, Moscow (1976).
5. Kh. O. Shakarov, Russ. Phys. J., 47, No. 12, 1218–1222 (2004).