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\bibitem{Rouchon_etal2010} {\textquotedblleft}\textit{FTIR techniques applied to the detection of gelatine in paper artifacts: from macroscopic to microscopic approach}{\textquotedblright}. Rouchon V, Pellizzi E, Janssens K, Applied physics A : materials science \& processing \textbf{100}, 663 (2010).   http://doi.org/10.1007/S00339-010-5649-5

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