参考文献
Shapiro, E. A.; Pereverzeva, Yu. O.; Nefedov, A. O.; Eismont, M. Yu.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1989 , vol. 38, # 11.2 p. 2432 - 2433
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1989 , # 11 p. 2647 - 2648