参考文献

Kharitonov, G. V.; Kharitonova, R. I.; Maslennikova, T. I. Russian Journal of Inorganic Chemistry (Translation of Zhurnal Neorganicheskoi Khimii), 1979 , vol. 24, p. 394 - 397 Zhurnal Neorganicheskoi Khimii, 1979 , vol. 24, p. 705 - 708