Shukla, S. N., P. . Gaur, M. L. Raidas, and S. . Bagri. “Synthesis, Spectroscopic Characterization, DFT, Oxygen Binding and Antioxidant Activity of Fe(III), Co(II) and Ni(II) Complexes With a Tetradentate ONNO Donor Schiff Base Ligand: Scientific Paper”. Journal of the Serbian Chemical Society, vol. 86, no. 10, Sept. 2021, pp. 941-54, doi:10.2298/JSC201230037S.