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\bibitem{Bogaerts_etal2006} {\textquotedblleft}\textit{Laser ablation of copper in different background gases: comparative study by numerical modeling and experiments}{\textquotedblright}. Bogaerts A, Chen Z, Bleiner D, Journal of analytical atomic spectrometry \textbf{21}, 384 (2006).   http://doi.org/10.1039/b514313f

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