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\bibitem{vanLoon_etal2019} {\textquotedblleft}\textit{Beauty is skin deep : the skin tones of Vermeer{\textquoteright}s Girl with a Pearl Earring}{\textquotedblright}. van Loon A, Vandivere A, Delaney JK, Dooley KA, De Meyer S, Vanmeert F, Gonzalez V, Janssens K, Leonhardt E, Haswell R, de Groot S, D{\textquoteright}Imporzano P, Davies GR, Heritage science \textbf{7}, 102 (2019).   http://doi.org/10.1186/S40494-019-0344-0

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