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\bibitem{Spolnik_etal2005} {\textquotedblleft}\textit{Optimization of measurement conditions of an energy dispersive X-ray fluorescence spectrometer with high-energy polarized beam excitation for analysis of aerosol filters}{\textquotedblright}. Spolnik Z, Belikov K, van Meel K, Adriaenssens E, de Roeck F, Van Grieken R, Applied spectroscopy \textbf{59}, 1465 (2005).   http://doi.org/10.1366/000370205775142647

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