参考文献

Vinogradov,M.G. et al. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1974 , vol. 23, p. 2303 - 2304 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1974 , vol. 23, # 10 p. 2384 - 2387