Lyons. Richard G <br/><br/>
Understanding digital signal processing 
by Richard G Lyons 
 - 3rd ed 
 - New Delhi  Pearson  c2011, 2012 
 - xxiii, 925p 
<br/><br/><label>ISBN: </label>9788131764367 
<br/><br/><label>Dewey Class. No.: </label>621.3822 LYO