“QTAIM Analysis of the Bonding in Pyridyl- N-Heterocyclic Carbene Triruthenium Carbonyl Cluster: [Ru3(μ-H)(μ-κ3C2,N-PyCH2 ImMe) (CO)9] (ImMe=3-Methylimidazol-2- Ylidene)”. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences, vol. 26, no. 6, May 2018, pp. 322-35, https://www.journalofbabylon.com/index.php/JUBPAS/article/view/2244.