Pattitis, S. A  <br/><br/>
Active filters : theory and design 
S. A Pactitis 
 - Boca Raton:    CRC Pres,  ©2008 
 - 274 pages:  iillustrations;   24 cm. 
<br/><br/>Incudes bibliographical references 
<br/><br/><label>ISBN: </label>1420054767 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label>--Electric filters--Design and construction
<br/><br/><label>LC Class. No.: </label>TK7872 PAC