Reference Label	Details
Leopold 1985	D. G. Leopold, K. K. Murray, A. E. Stevens Miller, and W. C. Lineberger, J. Chem. Phys. 83, 4849-4865 (1985) Methylene: A Study of the X 3B1 and a 1A1 States by Photoelectron Spectroscopy of CH2- and CD2-