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2 | W.C.Chew, "Waves and fields in inhomogeneous media", Van Nostrand Reinhold, 1990. |
3 | A. Ishimaru, "Electomagnetic Wave propagation, radiation and scattering", Prentice Hall, 1991. |
4 | M. Sadiku, "Numerical techniques in electromagnetic" CRC press, 2001 |