REISFELD, Renata; JØRGENSEN, C.K.; BERTHOU, H. Photo-electron Spectra of Germanate, Tellurite and Tungstate Glasses Especially Apt to Show Lanthanide Luminescence. CHIMIA, [S. l.], v. 30, n. 3, p. 202, 1976. DOI: 10.2533/chimia.1976.202. Disponível em: https://www.chimia.ch/chimia/article/view/1976_202. Acesso em: 6 apr. 2025.