Moniri, E. , Panahi, H. , Nezhati, M. , Mahmoudi, F. , Karimi, M.. "Amberlite XAD-4 Functionalized with 1-amino-2-naphthole for Determination and Preconcentration of Copper (II) in Aqueous Solution by Flame Atomic Absorption Spectrometry". World Academy of Science, Engineering and Technology, Open Science Index 43, International Journal of Chemical and Molecular Engineering (2010), 4(7), 435 - 437.