Radhakrishnan Namboori, C.G., and G. Krishnan. 2016. “Synthesis and Characterization of Iron(III), Manganese(III) and Chromium(III) Complexes With N,N’-Propylene-bis(3-Carboxypropenamide)”. Asian Journal of Chemistry 16 (3):1463-70. https://asianpubs.org/index.php/ajchem/article/view/14379.