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\bibitem{Dirtu_etal2014} {\textquotedblleft}\textit{Methods, fluxes and sources of gas phase alkyl nitrates in the coastal air}{\textquotedblright}. Dirtu AC, Buczy{\'n}ska AJ, Godoi AFL, Favoreto R, Bencs L, Potgieter-Vermaak SS, Godoi RHM, Van Grieken R, Van Vaeck L, Environmental monitoring and assessment \textbf{186}, 6445 (2014).   http://doi.org/10.1007/S10661-014-3866-7

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