Bowron, P. <br/><br/>
Active filters for communications in instrumentation 
P. Brown and F.W. Stephenson 
 - London :  McGraw-Hill,  1979 
 - 285 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0070840865 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric filters, Active