1. This is part 26 of: “Applications of Photoelectron Spectroscopy”. Part 25: D.O. Cowan, R. Gleiter, O. Glemser, E. Heilbronner and J. Schäublin, Helvetica Chimica Acta, in press.
2. “Molecular Photoelectron Spectroscopy”;Turner,1970
3. “Ionization Potentials”;Turner;Advances in: Physical Organic Chemistry,1966
4. “Developments in Photo-Electron-Spectroscopy”;Price,1968