| Reference |
K. Keune, K. Kirsch and J.J. Boon: Lead soap effluorescence in a 19th C painting : appearance, nature and sources of materials In: AIC paintings specialty group postprints : papers pres. at the 34th annual meeting of the AIC of Historic & Artistic Works providence, Rhode Island, June 16-19, 2006 /ed. H. Mar Parkin, AIC, 2007. - pp. 145-149 |
