B. B. MAHAPATRA and A. MISHRA, “Complexes of Mn(II), Co(II), Ni(lI), Cu(II), Zn(II), Cd(lI),and Hg(II) with Donor ChelatingTetradentate Ligands”, ajc, vol. 10, no. 3, pp. 610–612, Nov. 2010.