G. G. Mohamed, A. M. M. Hindy, M. S. Rizk, and M. E.-S. Sadek, “Synthesis, spectroscopic and thermal characterization of Fe(III)-mixed ligand complexes and spectrophotometric determination of Fe(III) in various samples”, Eur. J. Chem., vol. 5, no. 3, pp. 402–409, Sep. 2014.