参考文献

Shvartsberg,M.S. et al. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1971 , vol. 20, p. 1209 - 1212 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1971 , vol. 20, # 6 p. 1306 - 1310