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

 - New York,  Oxford,  1982 
 - xi; 608p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Filter Design
<br/><br/><label>Dewey Class. No.: </label>621.3815324  / V174A