Beck, A. H. W. Space-charge waves : and slow electromagnetic waves / A. H. W. Beck. - New York : Pergamon Press, c 1958. - xi, 396 p. : ill. ; 23 cm. - International series of monographs on electronics and instrumentation, 8 . Includes index. 333 333 LCCN: Subjects--Topical Terms: Carrier waves.Electromagnetic waves. Dewey Class. No.: 621.381 / B388s