参考文献

Ivanov,B.E. et al. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1971 , vol. 20, # 7 p. 1400 - 1402 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1971 , vol. 20, # 7 p. 1502 - 1505