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\bibitem{vanderSnickt_etal2020} {\textquotedblleft}\textit{Dual mode standoff imaging spectroscopy documents the painting process of the Lamb of God in the Ghent Altarpiece by J. and H. Van Eyck}{\textquotedblright}. van der Snickt G, Dooley KA, Sanyova J, Dubois H, Delaney JK, Gifford EM, Legrand S, Laquiere N, Janssens K, Science Advances \textbf{6}, eabb3379 (2020).   http://doi.org/10.1126/SCIADV.ABB3379

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