MUNYWOKI, A. W.; OKUMU, J.; SINGH, C. S. Excitation of the lowest autoionizing level of caesium atoms by positron impact. African Journal of Pure and Applied Sciences, Nairobi, Kenya, v. 2, n. 1, p. 77–83, 2021. DOI: 10.33886/ajpas.v2i1.189. Disponível em: https://journals.ku.ac.ke/index.php/AJPAS/article/view/189. Acesso em: 22 sep. 2026.