Reference Label	Details
Natalis 1982	P. Natalis, P. Pennetreau, L. Longton, and J. E. Collin, J. Electron Spectrosc. 27, 267-269 (1982) Ionization Energy Values for the Vibronic Transitions from HCl X 1Sigma+ (v" = 0) to HCl+ Ionic States X 2Pi (v' = 0-13) and A 2Sigma+ (v' = 0-12), Determined by Photoelectron Spectroscopy