Yadav, Krishna Kumar, et al. “Synthesis and Characterization of [CrLCl2]Cl Complexes (where L = S4 Macrocyclic Ligands): A Photoelectron Spectroscopic Study”. Asian Journal of Chemistry, vol. 32, no. 5, Apr. 2020, pp. 1097-00, https://asianpubs.org/index.php/ajchem/article/view/2432.