Reference Label	Details
Celotta 1971	R. J. Celotta, R. A. Bennett, J. L. Hall, J. Levine, and M. W. Siegel, Bull. Am. Phys. Soc. 16, 212-212 (1971) Electron Affinity of O2 by Laser Photodetachment
Gray 1972	R. L. Gray, H. H. Haselton, D. Krause Jr., and E. A. Soltysik, Chem. Phys. Lett. 13, 51-53 (1972) Vibrational Structure in Electron Scattering by O2