参考文献

Butkova, O. L.; Zvezdkina, L. I.; Pritula, N. A. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1982 , vol. 31, # 10 p. 2106 - 2108 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1982 , # 10 p. 2390 - 2392