Hohl, Christopher, and Urs Hauri. “Chemical Analysis: An Indispensable Means for Uncovering Severe Cases of Fraud With Cosmetics and Tattoo Inks”. CHIMIA 70, no. 5 (May 25, 2016): 357. Accessed November 23, 2024. https://www.chimia.ch/chimia/article/view/2016_357.