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\bibitem{Andrikopoulos_etal2006} {\textquotedblleft}\textit{\textbf{In vitro} validation of a mobile Raman-XRF micro-analytical instrument{\textquoteright}s capabilities on the diagnosis of Byzantine icons}{\textquotedblright}. Andrikopoulos KS, Daniilia S, Roussel B, Janssens K, Journal of Raman spectroscopy \textbf{37}, 1026 (2006).   http://doi.org/10.1002/JRS.1612

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