Reference Label	Details
Shiner 1993	D. Shiner, J. M. Gilligan, B. M. Cook, and W. Lichten, Phys. Rev. A, 47, 4042-4045 (1993) H2, D2, and HD Ionization Potentials by Accurate Calibration of Several Iodine Lines
McCormack 1989	E. McCormack, J. M. Gilligan, C. Cornaggia, and E. E. Eyler, Phys. Rev. A 39, 2260-2263 (1989) Measurement of High Rydberg States and the Ionization Potential of H2