References
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- Jackson , J. D. 1962 . Classical Electrodynamics , New York : Wiley .
- Becker R. , Electromagnetic Fields and Interactions , ( transl. by A. W. Knudsen of the 16th ed. of Theorie der Elektrizität ), Blaisdell , New York , Reprinted 1982 by Dover
- Harmuth , H. F. and Hussain , M. G. M. 1994 . Propagation of Electromagnetic Signals , Singapore : World Scientific .
- Harmuth , H. F. , Boules , R. N. and Hussain , M. G. M. 1999 . Electromagnetic Signals: Reflections, Focusing, Distortion, and Their Practical Applications , New York : Kluwer Academic/Plenum .