Oppenheim, Rlan V <br/><br/>
Discrete time signal processing 
by Rlan V Oppenheim Ronald W Schafer 
 - 3rd ed. 
 - South Asia  Pearson  2013 
 - 1132p. 
<br/><br/><label>ISBN: </label>9789332505742 
<br/><br/><label>Dewey Class. No.: </label>621.3822  / P132;2 (EE)