PAL, S. C., and M.T.H. TARAFDER. 1995. “?COORDINATION CHEMISTRY OF Zr(IV), Th(IV) AND U(VI) IONS CONTAINING 1,2 DIAMINOCYCLOHEXANE N N N’ N’ TETRA-ACETIC ACID (DCTA) AND SOME MONODENTATE ORGANIC LIGANDS”. Biological Sciences - PJSIR 38 (11-12):420-23. https://v2.pjsir.org/index.php/biological-sciences/article/view/2538.