参考文献

Ahmad, Roshan; Jabeen, Rukhsana; Zia-Ul-Haq, Mohammad; Nadeem, Humaira; Duddeck, Helmut; Verspohl, Eugen J. Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, 2000 , vol. 55, # 2 p. 203 - 207