1. High Voltage Performance Characteristics of Solid Insulators in Vacuum
2. Pulsed Electrical Discharge in Vacuum
3. High-Power Microwave Sources and Technologies
4. R. J. Umstattd, D. Abe, J. Benford, D. Gallaghar, R. M. Gilgenbach, D. M. Goebel, M. S. Litz, and J. A. Nation, High-Power Microwave Sources and Technologies (Ref. 3), Chap. 9, p. 284;
5. R. J. Umstattd, in Modern Microwave and Millimeter Wave Power Electronics, edited by R. J. Barker, J. H. Booske, N. C. Luhmann, and G. S. Nusinovich (IEEE, Piscataway, NJ, 2005), Chap. 8, p. 393.