Elnagdi, Mohamed Hilmy; Elghandour, Ahmed Hafiz Husein; Ibrahim, Mohamed Kamal Ahmed, Zeitschrift fur Naturforschung, B: Chemical Sciences, 1992, vol. 47, # 4, p. 572 - 578
作者:Elnagdi, Mohamed Hilmy、Elghandour, Ahmed Hafiz Husein、Ibrahim, Mohamed Kamal Ahmed、Hafiz, Ibrahim Saad Abdel
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