NAGY, E. A.; GEDEON, V. F.; GEDEON, S. V.; LAZUR, V. Y. Electron-Impact Excitation of 51S – 51Po Resonance Transition in Sr Atom. Ukrainian Journal of Physics, [S. l.], v. 63, n. 1, p. 11–24, 2018. DOI: 10.15407/ujpe63.01.0011. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018037. Acesso em: 4 may. 2024.