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\bibitem{Artaxo_etal1990} {\textquotedblleft}\textit{Aerosol characteristics and sources for the Amazon Basin during the wet season}{\textquotedblright}. Artaxo P, Maenhaut W, Storms H, Van Grieken R, Journal of geophysical research \textbf{95}, 16971 (1990).   http://doi.org/10.1029/JD095ID10P16971

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