Weller, Aafke, Bas Van Velzen, and Ewout Koek. 2020. “A SURVEY ON THE USE OF ULTRAVIOLET INDUCED VISIBLE LUMINESCENCE IN PAPER CONSERVATION”. CONSERVATION 360º, no. 1 (May): 279-327. https://monografias.editorial.upv.es/index.php/con_360/article/view/82.