Ćirić, Aleksandar, Mina Medić, Jovana Periša, Željka Antić, and Miroslav Dramićanin. 2024. “Luminescence Intensity Ratio by Three Thermalized Levels in YAG:Er3+/Yb3+ Nanoparticles: Original Scientific Paper”. HEMIJSKA INDUSTRIJA (Chemical Industry), October. https://doi.org/10.2298/HEMIND240227021C.