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\bibitem{Alfeld_etal2010} {\textquotedblleft}\textit{The use of full-field XRF for simultaneous elemental mapping}{\textquotedblright}. Alfeld M, Janssens K, Sasov A, Liu X, Kostenko A, Rickers-Appel K, Falkenberg G, , 111 (2010).   http://doi.org/10.1063/1.3399236

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