Schaumann, Rolf. Design analog filters / by Rolf Schaumann and Mac E. Van Valkenburg. - / . - New Delhi : Oxford University Press , 2001. - x, 737p. : ills. ; 23cm 1 CD . Includes index ISBN: 9780195680874 RS385.00 Subjects--Index Terms: APPLIED PHYSICS Dewey Class. No.: 621.3815324 / SCH/D