1. Chapter 24: Photoionization in Gases and the Photoelectric Effect from Solids;Weissler,1956
2. Spectra of Diatomic Molecules;Herzberg,1950
3. Allowed Transitions;Nicholls,1962
4. Ultraviolet Absorption Processes in the Upper Atmosphere;Watanabe,1958
5. Tenth International Symposium on Astrophysics at Liège on The Extreme Ultraviolet Spectroscopy of Stars,1961