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\bibitem{Janssens_etal1996} {\textquotedblleft}\textit{A micro XRF spectrometer based on rotating anode generator and capillary optics}{\textquotedblright}. Janssens K, Vekemans B, Vincze L, Adams F, Rindby A, Spectrochimica acta: part B : atomic spectroscopy \textbf{51}, 1661 (1996)

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