Helszajn, J. Microwave engineering : passive, active, and non-reciprocal circuits / [Books]. Joseph Helszajn. - London ; New York : McGraw-Hill, 1992. - xvi, 484 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0077073754 LCCN: 9122615 Subjects--Topical Terms: Ferrite devices.Microwave antennas.Microwave circuits.