| Reference Label | Details |
|---|---|
| est unc | estimated uncertainty |
| Baker 1968a | A. D. Baker, C. Baker, C. R. Brundle, and D. W. Turner, Int. J. Mass Spectrom. Ion Phys. 1, 285-301 (1968) The Electronic Structures of Methane, Ethane, Ethylene and Formaldehyde Studied by High-Resolution Molecular Photoelectron Spectroscopy |