Reference Label	Details
est unc	estimated uncertainty
King 1980	G. W. King, I. M. Littlewood, J. R. Robins, and N. T. Wijeratne, Chem. Phys. 50, 291-299 (1980) Energy Levels of Iodine-129 near the B State Dissociation Limit from Two-Photon Spectroscopy