参考文献

Vasil'eva,T.P. et al. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1974 , vol. 23, p. 607 - 611 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1974 , vol. 23, # 3 p. 643 - 647