REISFELD, R. Doped polymeric systems produced by sol-gel technology: optical properties and potential industrial applications. Polimery, [S. l.], v. 51, n. 2, p. 95–103, 2022. Disponível em: https://ichp.vot.pl/index.php/p/article/view/1503. Acesso em: 12 may. 2025.