Aly, Aref A. M., et al. “Nanosized Supramolecular Coordination Polymers Derived from Divalent Metal Ions, 4-Pyridylacetate and Auxiliary Ligands Containing Nitrogen and Phosphorus Donors”. Orbital: The Electronic Journal of Chemistry, vol. 13, no. 1, Mar. 2021, pp. 39-47, https://periodicos.ufms.br/index.php/orbital/article/view/15673.