Judd-Ofelt analysis of Tb3+ upconversion study in Yb3+-Tb3+ co-doped CaLiBO glasses - Terra, Idelma Aparecida Alves; Borrero-González, Luis J.; Almeida, Juliana Mara Pinto de; Hernandes, Antônio Carlos; Nunes, Luiz Antônio de Oliveira (Química Nova, 2020)