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\bibitem{Janssens_etal2014} {\textquotedblleft}\textit{Examination of Vincent van Gogh{\textquoteright}s paintings and pigments by means of state-of-the-art analytical methods}{\textquotedblright}. Janssens K, Alfeld M, Van der Snickt G, De Nolf W, Vanmeert F, Monico L, Legrand S, Dik J, Cotte M, Falkenberg G, van der Loeff L, Leeuwestein M, Hendriks E page 373 (2014).

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