Wolbers, Richard and Norbutus, Amanda. 2013. "Cleaning of Acrylic Emulsion Paints: Preliminary Extractive Studies with Two Commercial Paint Systems." in New Insights into the Cleaning of Paintings: Proceedings from the Cleaning 2010 International Conference, Universidad Politecnica de Valencia and Museum Conservation Institute, edited by Mecklenburg, Marion F., Charola, A. Elena, and Koestler, Robert J., 147–157. Smithsonian Contributions to Museum Conservation. Washington, DC: Smithsonian Institution.