Maurice S. Onyango; Yoshihiro Kojima; Ochieng Aoyi; Eileen C. Bernardo; Hitoki Matsuda. (2004). Adsorption equilibrium modeling and solution chemistry dependence of fluoride removal from water by trivalent-cation-exchanged zeolite F-9. , 279(2), 341–350.
doi:10.1016/j.jcis.2004.06.038
