share
Chen Zhongfang;Ma Keqin;Shang Zhenfeng;Pan Yinming;Zhao Xuezhuang;Tang Aoqing
1999, Vol. 57(7): 712-717
Nankai Univ, Dept Chem.Tianjin(300071);Jilin Univ, Inst Theoret Chem. Changchun(130023)