| Reference Label | Details |
|---|---|
| Jungen 1990 | Ch. Jungen, I. Dabrowski, G. Herzberg, and M. Vervloet, J. Chem. Phys. 93, 2289-2298 (1990) High Orbital Angular Momentum States in H2 and D2. III. Singlet-Triplet Splittings, Energy Levels, and Ionization Potentials |
| de Lange 2002 | A. de Lange, E. Reinhold, and W. Ubachs, Phys. Rev. A 65, 064501/1-4 (2002) Spectroscopy on Some g Symmetry States in H2 and Determination of the Ionization Potential |
| Meisners 1994 | J.-C. D. Meisners, Masters Thesis, University of Delaware, Newark (1994) Note: apud de Lange 2002 |