Quiers, M., C. Chanteraud, A. Maris-Froelich, E. Chalmin, S. Jaillet, C. Noûs, S. Pairis, H. Salomon, and J. Monney. “Light in the Cave: Opal Coating Detection by UV-Light Illumination and Fluorescence in a Rock Art Context”. Journal of Lithic Studies, Vol. 10, no. 1, Dec. 2023, p. 36 p., doi:10.2218/jls.7329.