1. George W. Ewell, Radar Transmitters, McGraw-Hill Book Co., New York, 1981.
2. RadLab series;GB Collins,1948
3. E. C. Okress, Crossed-Field Devices, Vols. I and II, Academic Press, New York, 1961.
4. E. C. Okress, Microwave Power Engineering, Vols. I and II, Academic Press, New York, 1968.
5. A. H. Pickering, “Electronic Tuning of Magnetrons,” Microwave Journal, vol. 22, no. 7, July 1979, p. 73.