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2. Garifyanov, N.S., Troitskaya, A.D., Razumov, A.I., Ovchinnikov, I.V., Gurevich, P.A., Kondrateva, O.I.: Dokl. Akad. Nauk SSSR 196 (1971) 1346; Dokl. Chem. (English Transl.) 196 (1971) 139.
3. Garifyanov, N.S., Troitskaya, A.D., Razumov, A.I., Ovchinnikov, I.V., Gurevich, P.A., Kondrateva, O.I.: Zh. Neorg. Khim. 17 (1972) 1346; Russ. J. Inorg. Chem. (English Transl.) 17 (1972) 697.
4. Garifyanov, N.S., Troitskaya, A.D., Razumov, A.I., Gurevich, P.A., Kondrateva, O.I.: Zh. Obshch. Khim. 41 (1971) 710; J. Gen. Chem. (English Transl.) 41 (1971) 712.
5. Semenov, E.V., Solozhenkin, P.M., Zemlyanskii, N.I., Grishina, O.N., Melnik, Ya.I.: Dokl. Akad. Nauk Tadzh. SSR 15 (1972) No. 4, 37.