PETKOVA, P.; VASILEV, P.; NEDELCHEVA, G. THE COMPLEXES OF Co2+ IN Bi12SiO20 AND Co3+ IN Bi12TiO20. JOURNAL SCIENTIFIC AND APPLIED RESEARCH, [S. l.], v. 3, n. 1, p. 78–83, 2023. DOI: 10.46687/jsar.v3i1.67. Disponível em: https://jsar.ftn.shu.bg/index.php/jsar/article/view/67. Acesso em: 22 dec. 2024.