1. V. V. Singer, I. Z. Radovskii, S. P. Dovgopol, and P. V. Gel'd, All-Union Meeting on the Chemistry of Solids. Theses of Papers [in Russian], Vol. 4, Sverdlovsk (1975).
2. V. V. Singer and I. Z. Radovskii, in: The Physics of Metals and Their Compounds [in Russian], No. 2, Sverdlovsk (1974), pp. 28?32.
3. E. M. Galperin, Phys. Status, Solidi,B 70, 227 (1975).
4. S. V. Vonsovskii and K. B. Vlasov, Fiz. Met. Metalloved.,2, 403 (1956).
5. S. V. Vonsovskii (editor), The Theory of Ferromagnatism of Metals and Alloys [Russian translation], Izd. Inostr. Lit. (1963).