Anbuselavan, C., and K.R. Sankaran. “Phenyliodoso Acetate Oxidation of Cobalt(III) Bound and Unbound Α-Amino Acids”. Asian Journal of Chemistry, vol. 11, no. 1, Mar. 2010, pp. 115-8, https://asianpubs.org/index.php/ajchem/article/view/23230.