Anheuser, K.; Tobler, R.; Teoh, G.; Rohrbach, M.; Petrak, G.; Minder, D.; Hunger, K.; Hubert, V.; Gnädinger, B.; Wörle, M. Pigment Analysis on the 16th Century St. Gallen Globe: Highlights of Analytical Chemistry in Switzerland. Chimia 2007, 61 (11), 743. https://doi.org/10.2533/chimia.2007.743.