Helszajn, Joseph Ridge Waveguides and Passive Microwave Components - London : Institution of Electrical Engineers, 2000 - XIV, 327 p. - Iee Electromagnetic Waves Series ; No. 49 . Includes Index ISBN: 0852967942 ISSN: Subjects--Topical Terms: Waveguides Dewey Class. No.: 621.381331 / HEL