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\bibitem{Buczynska_etal2013} {\textquotedblleft}\textit{Stable carbon isotopic ratio measurement of polycyclic aromatic hydrocarbons as a tool for source identification and apportionment : a review of analytical methodologies}{\textquotedblright}. Buczy{\'n}ska AJ, Geypens B, Van Grieken R, De Wael K, Talanta : the international journal of pure and applied analytical chemistry \textbf{105}, 435 (2013).   http://doi.org/10.1016/J.TALANTA.2012.10.075

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