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\bibitem{Adams_etal1998} {\textquotedblleft}\textit{Microscopical X-ray fluorescence analysis and related methods with laboratory and synchrotron radiation sources}{\textquotedblright}. Adams F, Janssens K, Snigirev A, Journal of analytical atomic spectrometry \textbf{13}, 319 (1998).   http://doi.org/10.1039/A707100K

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