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\bibitem{vanLoon_etal2020} {\textquotedblleft}\textit{The role of smalt in complex pigment mixtures in Rembrandt{\textquoteright}sHomer1663: combining MA-XRF imaging, microanalysis, paint reconstructions and OCT}{\textquotedblright}. van Loon A, Noble P, de Man D, Alfeld M, Callewaert T, van der Snickt G, Janssens K, Dik J, Heritage science \textbf{8}, 90 (2020).   http://doi.org/10.1186/S40494-020-00429-5

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