“Energy Resonances for $^1P^o,$ $^1D^e,$ $^1F^o,$ $^1G^e,$ and $^1H^o$ Autoionizing States of the Helium Isoelectronic Series Below the $n=2-4$ Hydrogenic Thresholds”, JAMS, vol. 2, no. 1, pp. 20–42, Aug. 2018, doi: 10.4208/jams.062910.072810a.