Hilburn, John L., 1938- <br/><br/>
Manual of active filter design 
by John L. Hilburn and David E. Johnson 
 - New York  McGraw-Hill  1973 
 - xiii, 189 p. : ill. ; 23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0070287597 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric filters, Active<br/>Electronic circuit design<br/>Electronics--Graphic methods