Helszajn, J.
Ridge waveguides and passive microwave components - London IEE 2000 - xiv, 327p. - IEE electromagnetic waves series; no. 49 .
0-85296-794-2
Ridge waveguides and passive microwave components - London IEE 2000 - xiv, 327p. - IEE electromagnetic waves series; no. 49 .
0-85296-794-2