Reference Label	Details
Erman 1993	P. Erman, A. Karawajczyk, E. Rachlew-Kallne, C. Stromholm, J. Larsson, A. Persson, and R. Zerne, Chem. Phys. Lett. 215, 173-178 (1993) Direct Determination of the Ionization Potential of CO by Resonantly Enhanced Multiphoton Ionization Mass Spectroscopy