TY - BOOK AU - Hilburn,John L. AU - Johnson,David E. TI - Manual of active filter design SN - 0070287694 : U1 - 621.3815324 19 PY - 1983/// CY - New York PB - McGraw-Hill KW - Electric filters, Active KW - Electronic circuit design KW - Graphic methods N1 - Includes bibliographical references (p. 221-222) and index ER -