Miao, Ti-Fang, et al. “Effect of Ancillary Ligands on the Electronic Structures, DNA-Binding and Spectral Properties of [Ru(L)2(atatp)]2+ (L = Phen, Bpy, Dmp, Tfp)”. Asian Journal of Chemistry, vol. 24, no. 7, Mar. 2012, pp. 2891-8, https://asianpubs.org/index.php/ajchem/article/view/9256.