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\bibitem{Bruynseels_etal1984} {\textquotedblleft}\textit{LAMMA and electron-microprobe analysis of atmospheric aerosols}{\textquotedblright}. Bruynseels F, Storms H, Van Grieken R, Journal de physique \textbf{45}, 785 (1984).   http://doi.org/10.1051/JPHYSCOL:19842180

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