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\bibitem{Centeno_etal2017} {\textquotedblleft}\textit{Van Gogh{\textquoteright}s Irises and Roses : the contribution of chemical analyses and imaging to the assessment of color changes in the red lake pigments}{\textquotedblright}. Centeno SA, Hale C, Caro F, Cesaratto A, Shibayama N, Delaney J, Dooley K, van der Snickt G, Janssens K, Stein SA, Heritage science \textbf{5}, 18 (2017).   http://doi.org/10.1186/S40494-017-0131-8

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