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\bibitem{Aghaei_etal2014} {\textquotedblleft}\textit{Occurrence of gas flow rotational motion inside the ICP torch : a computational and experimental study}{\textquotedblright}. Aghaei M, Flamigni L, Lindner H, G{\"u}nther D, Bogaerts A, Journal of analytical atomic spectrometry \textbf{29}, 249 (2014).   http://doi.org/10.1039/c3ja50302j

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