Gerner, Pascal, Stephan Heer, Christine Reinhard, Rafael Valiente, Oliver S. Wenger, and Hans U. Güdel. “New Light Emission Processes in Inorganic Materials”. CHIMIA 55, no. 12 (December 19, 2001): 1021. Accessed October 31, 2024. https://www.chimia.ch/chimia/article/view/2001_1021.