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\bibitem{Martens_etal2009} {\textquotedblleft}\textit{Theoretical characterization of an atmospheric pressure glow discharge used for analytical spectrometry}{\textquotedblright}. Martens T, Mihailova D, van Dijk J, Bogaerts A, Analytical chemistry \textbf{81}, 9096 (2009).   http://doi.org/10.1021/ac9017742

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