参考文献:
Valitova, L. A. Popova, E. V. Ibragimov, Sh. N. Ivanov, B. E. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 199 , vol. 9, # 2.2 p. 66 - 7 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 199 , # 2 p. 42 - 42