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\bibitem{Szaloki_etal2002} {\textquotedblleft}\textit{X-ray spectrometry}{\textquotedblright}. Szal{\'o}ki I, T{\"o}r{\"o}k SB, Injuk J, Van Grieken RE, Analytical chemistry \textbf{74}, 2895 (2002).   http://doi.org/10.1021/AC020241K

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