1. X-Ray Optics and X-Ray Microanalysis;BL Henke,1963
2. Norelco Reporter 14;BL Henke,1967
3. K. Siegbahn, et al., “ESCA-Atomic, Molecular and Solid State Structure Studied by Means of Electron Spectroscopy,” Almquist & Wiksells Boktryckeri AB, (Uppsala 1967).
4. J. D. Lee, “A New Electrostatic Energy Analyzer for ESCA,” Abstracts of Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy 1972, p. 276.
5. J. D. Lee, Rev. Sci. Instr., “A New Electrostatic Energy Analyzer for ESCA,” to be published (will be in print before this paper goes to press).