2003. ?PREPARATION, CHARACTERIZATION AND MOLECULAR MODELS OF THE COMPLEXES OF QUADRIDENTATE TRIPODAL LIGAND TREN [TREN = TRIS(2-AMINOETHYL)AMINE] WITH Ag(I), Cd(II), Hg(II), Zr(IV) AND U(VI). Biological Sciences - PJSIR. 46, 5 (Oct. 2003), 317–322.