V.SHANMUGAM; S.BANGARU. Luminescence properties on Tm3+ doped KBr single crystals. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 4, n. 17, p. -, 2022. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/6268. Acesso em: 6 jul. 2025.