Bowron, P. <br/><br/>
Active filters for communications and instrumentation / 
by P. Bowron and F. W. Stephenson. 
 - New York, N.Y. :  McGraw-Hill,  1979. 
 - viii, 284 p. ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0070840865 0070840857 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric filters, active.