参考文献

Pudovik, M. A.; Kibardina, L. K.; Pudovik, A. N. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1991 , vol. 40, # 1.2 p. 217 - 218 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1991 , # 1 p. 235 - 237