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\bibitem{Godoi_etal2004} {\textquotedblleft}\textit{Characterisation of sugar cane combustion particles in the Araraquara region, Southeast Brazil}{\textquotedblright}. Godoi RHM, Godoi AFL, Worobiec A, Andrade SJ, de Hoog J, Santiago-Silva MR, Van Grieken R, Microchimica acta \textbf{145}, 53 (2004).   http://doi.org/10.1007/S00604-003-0126-X

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