Theoretical Predictions on Structures and Aromaticities of , [CoE 4] and [P 4CoE 4] (E=N~Bi)
LIU Zi-Zhong, WANG Yu-Ting, TIAN Wei-Quan, LIU Dong-Sheng, GE Xiang-Wei
Acta Chimica Sinica . 2010, (22): 2297 -2304 .