posted on 2024-01-19, 04:41authored byInez Dorothé van der Werf, Klaas Jan van den Berg, Muriel Geldof, Suzan de Groot, Markus Gross, Ruth Hoppe, Cathja Hürlimann, Laura Kolkena, Friederike Steckling
Additional file 1. Supplementary material. 1. Locations of the samples taken from the nine paintings. 2.Reexamination of the cross sections from the paintings dated 1921.