Modified Atomic Orbital Calculations for $(1s,nl)^3L^{\pi}$ and $_2 (1,0)_n^{±1,3}S^e$ Excited States of He Isoelectronic Sequence. Journal of Atomic and Molecular Sciences, [S. l.], v. 1, n. 3, p. 224–242, 2010. DOI: 10.4208/jams.042710.051510a. Disponível em: https://global-sci.com/index.php/jams/article/view/14569. Acesso em: 6 dec. 2025.