Valkenburg, M. E. Van Analog filter design M. E. Van Valkenburg - New Jersey Saunders College Publn 1982 - xi + 608p. figs, tables, appdx, index ISBN: 0-03-059246-1 Subjects--Topical Terms: Analog FiltersOperational Amplifiers Universal Decimal Class. No.: 621.372.54 / VAN