| Reference Label | Details |
|---|---|
| note unc | The quoted uncertainty appeared to correspond to one std dev. and was multiplied by 2 to come closer to the desired 95% confidence limit |
| Chung 1991 | K. T. Chung, Phys. Rev. A 44, 5421-5433 (1991) Ionization Potential of the Lithiumlike 1s2 2s States from Lithium to Neon |
| Chung 1992 | K. T. Chung, Phys. Rev. A 45, 7766-7773 (1992) Ionization Potential for the Lithiumlike 1s2 2s States from Na IX to Ca XVIII |