@article{article627d480d,
title   = {Paper-based diffusive gradients in thin films technique coupled to energy dispersive X-ray fluorescence spectrometry for the determination of labile Mn, Co, Ni, Cu, Zn and Pb in river water},
author = {Almeida, Eduardo de and Nascimento Filho, Virgilio Franco do and Menegário, Amauri Antonio},
year = {2012},
doi = {10.1016/j.sab.2012.05.006},
journal   = {Spectrochimica Acta Part B: Atomic Spectroscopy}
}