Reference Label	Details
Blondel 1995	C. Blondel, Phys. Scr. T58, 31-42 (1995) Recent Experimental Achievements with Negative Ions
Neumark 1985	D. M. Neumark, K. R. Lykke, T. Andersen, and W. C. Lineberger, Phys. Rev. A 32, 1890-1892 (1985) Laser Photodetachment Measurement of the Electron Affinity of Atomic Oxygen
Blondel 2005	C. Blondel, W. Chaibi, C. Delsart, C. Drag, F. Goldfarb, and S. Kroeger, Eur. Phys. J. D 33, 335-342 (2005) The Electron Affinities of O, Si, and S Revisited with the Photodetachment Microscope
Hotop 1999	H. Hotop, priv. comm. (1999) Note: apud Blondel 2005