1. “Techniques of Vacuum Ultraviolet Spectroscopy”;Samson,1967
2. X-Ray Wavelengths
3. Handbook of Chemistry and Physics, current edition (CRC Press, Inc., Cleveland, Ohio).
4. “Coherent Ultraviolet and Vacuum Ultraviolet Sources”;Reintjes,1985
5. Transmittance of cultured crystalline quartz in the vacuum ultraviolet before and after electron irradiation