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2. C. E. Baum, General Properties of Antennas, Sensor and Simulation Note 330, July 23 1991.
3. C. E. Baum, Radiation of Impulse-Like Transient Fields, Sensor and Simulation Note 321, November 25 1989.
4. C. E. Baum, Aperture Efficiencies for IRAs, Sensor and Simulation Note 328, June 24 1991, and 1992 APS/URSI/NEM Symposium Proceedings, July 20-24, 1992, Chicago.
5. W. R. Smythe, Static and Dynamic Electricity, Third Ed., Hemisphere, 1989, p. 76 and p. 460.