Oppenheim, Alan V. <br/><br/>
Discrete time signal processing /by Alan V. Oppenheim, Ronald W. Schafer 

 - New Delhi  PHI  1994 
 - xv, 879p 
 - Eastern Economy Edition .
<br/><br/><label>ISBN: </label>8120307208 
<br/><br/><label>Dewey Class. No.: </label>621.3822  / N944