[1]
M. Saber Tehrani, P. Abroum, S. Waqif Husain, and F. Shafaei, “Dispersive Liquid-Liquid Microextraction of Cr(VI) in Water and Hair Samples by Electrothermal Atomic Absorption Spectrometry”, ajc, vol. 22, no. 8, pp. 6302–6310, Jun. 2010.