Oppenheim,Alan V   & Schafer,Ronald W <br/><br/>
Discrete - time signal processing 

 - Prentice-Hall, New Delhi  1998 
 - xv,879p figs. 
<br/><br/><label>ISBN: </label>81-203-0720-8 
<br/><br/><label>Dewey Class. No.: </label>621.38043 Opp/Sch