参考文献

Bock, Hans; Seitz, Wolfgang; Nagel, Norbert; Baur, Ruediger; Bats, Jan W.; Havlas, Zdenek; Claridge, Rodney F. C. Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, 1997 , vol. 52, # 9 p. 1125 - 1138