CJCU
The Method of Topological on the Distribution of Electronic Density Based on Semi-empirical SCF-MO Method (Ⅱ)
Zheng Shi-jun, Cai Xin-hua, Meng Ling-peng, Xu Zhen-feng
Chem. J. Chinese Universities . 1991, (8): 1107 -1109 .