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\bibitem{Alvarez-Martin+Janssens2018} {\textquotedblleft}\textit{Protecting and stimulating effect on the degradation of eosin lakes. Part 1 : lead white and cobalt blue}{\textquotedblright}. Alvarez-Martin A, Janssens K, Microchemical journal \textbf{141}, 51 (2018).   http://doi.org/10.1016/J.MICROC.2018.05.005

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