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\bibitem{Vekemans_etal2003} {\textquotedblleft}\textit{Quantitative X-ray fluorescence analysis at the ESRF ID18F microprobe}{\textquotedblright}. Vekemans B, Vincze L, Somogyi A, Drakopoulos M, Kempenaers L, Simionovici AS, Adams F, Nuclear instruments and methods: B \textbf{199}, 396 (2003).   http://doi.org/10.1016/S0168-583X(02)01396-4

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