参考文献
Bel'skii, V. E.; Valeeva, F. G.; Kudryavtseva, L. A.; Ivanov, B. E.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1991 , vol. 40, # 9.1 p. 1738 - 1741
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1991 , # 9 p. 1968 - 1972