R. Mehra and S. Mathur, “Photometric Determination of Fe(III) After Adsorption of its 1-Hydroxy-1-(p-Chlorophenyl)-3-Phenyl-2-Thiourea Complex on Microcrystalline Naphthalene”, ajc, vol. 7, no. 2, pp. 457–458, Mar. 2010.