A. MOGHIMI and M. JAVAD POURSHARIFI, “Preconcentration and Simultaneous Determination of Lead(II) and Copper(II) by N,N’’-Disalicylideneethylenediamine by Electro Thermal Atomic Absorption Spectrometry”, ajc, vol. 21, no. 3, pp. 1657–1666, Mar. 2010.