Force Field Parameterization of N,N' Two-center Three Electrons Bond in Molecular Mechanics
Deng Ke-Jian,Shen Rui-Man,Lan Yi-Ling,Han Shi-Gang
Acta Phys. -Chim. Sin. . 1995, (11): 1036 -1039 .  DOI: 10.3866/PKU.WHXB19951115