Sai, Tianqi, Bodo D. Wilts, Alba Sicher, Ullrich Steiner, Frank Scheffold, and Eric R. Dufresne. “When Black and White Make Green: The Surprising Interplay of Structure and Pigments”. CHIMIA 73, no. 1-2 (February 27, 2019): 47. Accessed April 3, 2025. https://www.chimia.ch/chimia/article/view/2019_047.