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\bibitem{Cevik_etal2013} {\textquotedblleft}\textit{Polarized-beam high-energy EDXRF in geological samples}{\textquotedblright}. {\v C}evik U, Akbulut S, Makarovska Y, Van Grieken R, Spectroscopy letters \textbf{46}, 36 (2013).   http://doi.org/10.1080/00387010.2012.661015

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