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\bibitem{Akbulut_etal2013} {\textquotedblleft}\textit{Identification of heavy metal origins related to chemical and morphological soil properties using several non-destructive X-ray analytical methods}{\textquotedblright}. Akbulut S, Van Grieken R, Kilic MA, {\v C}evik U, Rotondo GG, Environmental monitoring and assessment \textbf{185}, 2377 (2013).   http://doi.org/10.1007/S10661-012-2718-6

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