参考文献
Opalovskii, A. A.; Gudimovich, T. F.; Chalaya, I. I.; Popov, V. P.; Verbovaya, N. I.
Russian Journal of Inorganic Chemistry (Translation of Zhurnal Neorganicheskoi Khimii), 1977 , vol. 22, p. 1070 - 1073
Zhurnal Neorganicheskoi Khimii, 1977 , vol. 22, p. 1971 - 1976