Françoise, S. et al. 2020. “Grisaille reconstitution” as a colourless visible retouching method: the case of Les Puys d’Amiens, a set of paintings dating from the 16th century. Ge-conservacion. 18, (Dec. 2020), 207–215. DOI:https://doi.org/10.37558/gec.v18i1.826.