THARANITHARAN, V., and K. SRINIVASAN. 2010. “Kinetic and Equilibrium Studies of Removal of Pb(II) and Cd(II) Ions from Aqueous Solution by Modified Duolite XAD-761 Resins”. Asian Journal of Chemistry 22 (4):3036-46. https://asianpubs.org/index.php/ajchem/article/view/11509.