Muralidhara Rao, B. “Complexometric Determination of Thallium(III) Using Bromide As Masking Agent and Silver(I) As Demasking Agent”. Asian Journal of Chemistry, vol. 22, no. 10, Aug. 2010, pp. 8255-7, https://asianpubs.org/index.php/ajchem/article/view/12039.