参考文献

Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 33, # 11 p. 2407 - 2409 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 11 p. 2628 - 2630 Russian Chemical Bulletin, , vol. 45, # 1 p. 133 - 136