参考文献
Korolev, V. A.; Tamas, J.; Ujszaszy, K.; Mal'tsev, A. K.; Nefedov, O. M.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1987 , vol. 36, # 10 p. 2228
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1987 , # 10 p. 2398 - 2399