Stimulated Emission Cross Section in Xenon-Neon Lasers. Baghdad Science Journal, Iraq, Baghdad, v. 14, n. 1, p. 0208, 2017. DOI: 10.21123/bsj.2017.14.1.0208. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/2353.. Acesso em: 18 jun. 2025.