参考文献
Velichko,F.K.; Vinogradova,L.V.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1975 , vol. 24, p. 1459 - 1463
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1975 , vol. 24, p. 1575 - 1580