Buttrus, N. et al. 2013. Synthesis and Characterization of Ni2+, Cu2+ and Zn2+ Complexes with Benzimidazole-2-thionate, Diphosphene and Their Reaction with Iodine. Asian Journal of Chemistry. 25, 9 (Apr. 2013), 4856–4860. DOI:https://doi.org/10.14233/ajchem.2013.14125.