Chen, Wai Kai. <br/><br/>
Passive and active filters: theory and implementations 

 - New York :  John Wiely Publisher,  2007 
 - 504. 
<br/><br/><label>ISBN: </label>04718238X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Applied physics
<br/><br/><label>Dewey Class. No.: </label>621.38153  / CHE