Reference Label	Details
Gunion 1995	R. F. Gunion, H. Köppel, G. W. Leach, and W. C. Lineberger, J. Chem. Phys. 103, 1250-1262 (1995) Photoelectron Spectroscopy of C4H4-: Ab initio Calculations and Dynamics of the 1,2-Hydrogen Shift in Vinylidene