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\bibitem{Monico_etal2018} {\textquotedblleft}\textit{Role of the relative humidity and the Cd/Zn stoichiometry in the photooxidation process of cadmium yellows (CdS/Cd$_{1-x}$Zn$_{x}$S) in oil paintings}{\textquotedblright}. Monico L, Chieli A, De Meyer S, Cotte M, de Nolf W, Falkenberg G, Janssens K, Romani A, Miliani C, Chemistry: a European journal \textbf{24}, 11584 (2018).   http://doi.org/10.1002/CHEM.201801503

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