Van Eyck studies : papers presented at the eighteenth symposium for the study of underdrawing and technology in painting, Brussels, 19-21 september 2012 - Périer-d'Ieteren, Catheline; Vanwijnsberghe, Dominique; Stroo, Cyriel; Henderiks, Valentine; Fransen, Bart.; Currie, Christina (Paris ; Leuven ; Bristol : Peeters Publishers, 2017)