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Liu Yongjun;Liu Ying;Zhao Xian;Liu Chengbu
2001, Vol. 59(1): 48-55
Qufu Normal Univ, Dept Chem.Qufu(273165);Shandong Univ, Inst Crystal Mat.Jinan(250100);Shandong Univ, Inst Theoret Chem.Jinan(250100)