Kumar Singh, Birendra, and R.P. Singh. “Mechanism of Rh(III) Catalysis in Oxidation of Glutamic Acid by Alkaline Solution of Hexacyanoferrate(III) ”. Asian Journal of Chemistry, vol. 4, no. 3, Mar. 2010, pp. 508-10, https://asianpubs.org/index.php/ajchem/article/view/25089.