Ćirić A, Medić M, Periša J, Antić Željka, Dramićanin M. Luminescence intensity ratio by three thermalized levels in YAG:Er3+/Yb3+ nanoparticles: Original scientific paper. Hem Ind [Internet]. 2024 Oct. 21 [cited 2024 Nov. 23];. Available from: https://www.ache-pub.org.rs/index.php/HemInd/article/view/1230