Schaumann Rolf.  <br/><br/>
Design of analog filters 

 - New delhi :   Oxford University Press   2011. 
 - 737.  
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering,
<br/><br/><label>Dewey Class. No.: </label>621.3827  / SCH