Aromaticity of Transition-Metal Clusters Nbn, Con (n≤4) and NbxCoy (x+y≤8)
QIU Wei-Wei; LIN Meng-Hai
Acta Phys. -Chim. Sin. . 2008, (09): 1573 -1578 .  DOI: 10.3866/PKU.WHXB20080908