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\bibitem{Caen_etal2008} {\textquotedblleft}\textit{Reproduction of 16-17th centuries enamels for stained glass after orignal compositions and recipes}{\textquotedblright}. Caen J, Schalm O, Pires De Matos A, Ruivo A, Ferreira M, Janssens K,  (2008)

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