Middlehurst, Jack  <br/><br/>
Practical filter design  
/ Jack, Middlehurst. 
 - New York  Prentice Hall  c1993. 
 - 259p.  ill.  22cm 
<br/><br/> Includes bibliographical reference and index 
<br/><br/><label>ISBN: </label>0137199805  
<br/><br/><label>Subjects--Topical Terms: </label><br/>x Electronic filter--Design
<br/><br/><label>Dewey Class. No.: </label>621.3815324 MID 1993