Feng, Guo-Dong, et al. “Assembly of 1D Cadmium(II) Coordination Polymer With Bis(2-Benzimidazole) and 1,3-Benzenedicarboxylic Acid Mixed Ligands”. Asian Journal of Chemistry, vol. 25, no. 6, Jan. 2013, pp. 3434-6, doi:10.14233/ajchem.2013.13918.