参考文献
Khain, V. S.; Surovtsev, E. L.; Perfil'eva, E. A.; Shevchenko, Yu. N.
Russian Journal of Inorganic Chemistry (Translation of Zhurnal Neorganicheskoi Khimii), 1978 , vol. 23, p. 1740 - 1741
Zhurnal Neorganicheskoi Khimii, 1978 , vol. 23, p. 3136 - 3138