Valkenburg,M.E.V <br/><br/>
Analog Filter Design 

 - 1st. 
 - New York  Oxford,Univ Press  2002 
 - xi,608P. 
<br/><br/><label>ISBN: </label> RS 1345.00 
<br/><br/><label>Dewey Class. No.: </label>621.3815 VAL,M.E.