Lyons, Richard G <br/><br/>
Understanding digital signal processing / 
Lyons, Richard G. 
 - 2nd ed. 
 - New Delhi:  Pearson Education,  2005. 
 - 683p.;24cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8131721445 
<br/><br/><label>Dewey Class. No.: </label>621.381 LYO