Palaskar, N.G., et al. “Potentiometric Studies of Complex Formation Between Ce(III) and 3-Chloro-2-Hydroxy Acetophenone ”. Asian Journal of Chemistry, vol. 14, no. 2, Mar. 2010, pp. 1086-8, https://asianpubs.org/index.php/ajchem/article/view/22291.