PENEVA, S.; TROEV, T. Positron Trapping Rate in Some Ferroelectrics, Semiconductors and Glasses. Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 76, n. 12, p. 1811–1819, 2023. DOI: 10.7546/CRABS.2023.12.02. Disponível em: https://www.proceedings.bas.bg/index.php/cr/article/view/432. Acesso em: 25 apr. 2025.