Reference Label	Details
Hotop 1985	H. Hotop and W. C. Lineberger, J. Phys. Chem. Ref. Data 14, 731-750 (1985) Binding Energies in Atomic Negative Ions: II
Mead unpub	R. D. Mead, K. R. Lykke, and W. C. Lineberger, unpublished Note: apud Hotop 1985