Valkenburg, M E Van <br/><br/>
Analog filter design 

 - New York  Oxford University Press  1982 
 - xi, 608p: ill.   
 - Oxford series in electrical & computer engineering .
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>195107349 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics and communication engineering<br/>Filter (Analog) -- Design