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Continue to ChatDiffraction by a set of three parallel impedance half-planes with the one amidst located in the opposite direction - https://avesis.ogu.edu.tr/yayin/f127992e-0933-45cf-af83-684c18674e46/diffraction-by-a-set-of-three-parallel-impedance-half-planes-with-the-one-amidst-located-in-the-opposite-direction