Reference Label	Details
note unc	The quoted uncertainty appeared to correspond to one std dev. and was multiplied by 2 to come closer to the desired 95% confidence limit
Lu 2016	Z. Lu, H. Gao, Y.-T. Xu, L. Yang, C.-S. Lam, Y. Benitez, and C. Y. Ng, Chin. J. Chem. Phys. 29, 59-69 (2016) High-Resolution Threshold Photoelectron Spectroscopy by Vacuum Ultraviolet Laser Velocity-Map-Imaging Method