Williams, Arthur B.  1940- <br/><br/>
Active filter design / 
Arthur B. Williams 
 - Dedham, Mass. :  Artech House,  1975 
 - 189 p. :  ill. ;  24 cm. 
 - Modern frontiers in applied science .
<br/><br/> Includes index 
<br/><br/>Bibliography : p. 186 
<br/><br/><label>ISBN: </label>0890060444 
<br/><br/><label>LCCN: </label>75-004288 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric filters, Active