[1]
2010. 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. 1, 3 (Jan. 2010), 224–242. DOI:https://doi.org/10.4208/jams.042710.051510a.