参考文献

Selimov, F. A.; Akhmetov, A. Zh.; Dzhemilev, U. M. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1987 , vol. 36, # 9 p. 1893 - 1895 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1987 , # 9 p. 2042 - 2044