参考文献

Shipov, A.G.; Kramarova, E.P.; Baukov, Yu. I. Russian Journal of General Chemistry, 1994 , vol. 64, # 7.2 p. 1099 - 1100 Zhurnal Obshchei Khimii, 1994 , vol. 64, # 7 p. 1220 - 1221