KUMAR, BIRENDRA, et al. “Mixed Ligand Complexes of Silver(I) Metal Chelates of Some Organic Acids With Derivatives of 5,7-Dinitro-Oxine”. Asian Journal of Chemistry, vol. 21, no. 8, Mar. 2010, pp. 5829-32, https://asianpubs.org/index.php/ajchem/article/view/12254.