P.J. VYAS, S. SHARMA, A.D. PATEL, K.M. JOSHI AND. THERMODYNAMIC STUDY ON COMPLEXATION EQUILIBRIA OF BINARY Th(IV) WITH MALIC ACID SYSTEMS. INTERNATIONAL RESEARCH JOURNAL OF CHEMISTRY, India, v. 8, dec. 2014. ISSN 2321-2845. Available at: <http://petsd.org/ojs/index.php/irjc/article/view/225>. Date accessed: 20 oct. 2017.