Mohamed, Gehad Genidy, et al. “Synthesis, Spectroscopic and Thermal Characterization of Fe(III)-Mixed Ligand Complexes and Spectrophotometric Determination of Fe(III) in Various Samples”. European Journal of Chemistry, vol. 5, no. 3, Sept. 2014, pp. 402-9, doi:10.5155/eurjchem.5.3.402-409.977.