[1]
S. Jaggi and U. Gupta, “Solid phase extraction and preconcentration of Ni(II) using 1-(2-pyridylazo)-2-naphthol) (PAN) modified β-cyclodextrin butanediol diglycidyl ether polymer as a solid phase extractant”, Maced. J. Chem. Chem. Eng., vol. 32, no. 1, pp. 57–67, Jun. 2013.