1. A. R. VON HIPPEL, “Dielectric Materials and Application” (Wiley, New York, 1954).
2. Idem, “Dielectrics and Waves” (Wiley, New York, 1954).
3. W. R. TINGA, “Interactions of Microwaves with Materials”, Proceedings of IMPI, Short Course for Users with Microwave Power, November (1970).
4. W. R. TINGA and S. O. NELSON,J. Microwave Power 8 (1973) 73.
5. W. R. TINGA and W. A. G. VOSS, “Microwave Power Engineering” (Academic, New York 1968) p. 2.