Tawfeeq Oraibi, D. et al. 2014. Theoretical topological analysis of the electron density in Picolyl N-Heterocyclic Carbene Triruthenium carbonyl cluster: [Ru3(μ-H)2(μ3-κ3C2,NHCpyCH2ImMe)(CO)8] (ImMe=3-methylimidazol-2- ylidene). Journal of Kufa for Chemical Sciences. 9 (Apr. 2014).