Herzog, Bernd, Dietmar Hüglin, Elek Borsos, Albert Stehlin, and Helmut Luther. “New UV Absorbers for Cosmetic Sunscreens – A Breakthrough for the Photoprotection of Human Skin”. CHIMIA 58, no. 7-8 (July 1, 2004): 554. Accessed November 23, 2024. https://www.chimia.ch/chimia/article/view/2004_554.