1. The blues of Jan de Bray's Judith and Holofernes: A technical study of two blue pigments and its impact on treatment. Issue 4 (2nd October 2019) Authors: Albertson, Gerrit; Krekeler, Anna; van Loon, Annelies; Gaibor, Art Proaño; Noble, Petria Journal: Journal of the American Institute for Conservation Issue: Volume 58:Issue 4(2019) Page Start: 217 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗