Subba Rao Mushini, Venkata, et al. “Kinetics of Aquation of Tris(oxalato)chromate(III) and Tris(malonato)chromate(III) from Sulfuric Acid Solutions: A Solvent Extraction Study”. Asian Journal of Chemistry, vol. 22, no. 5, Mar. 2010, pp. 3771-8, https://asianpubs.org/index.php/ajchem/article/view/11610.