TY - BOOK AU - Hilburn, John L. AU - Johnson, David E. TI - MANUAL OF ACTIVE FILTER DESIGN U1 - 621.381532 PY - 1973/// CY - N. Y. PB - Mcgraw-Hill KW - Electric Filters KW - Electronic Circuit Design KW - Electronics -- Graphic Methods N1 - Bibl. : P. 185-186 ER -