Proakis, John G. , <br/><br/>
Digital signal processing : principles, algorithms, and applications.  

 - 4th ed. 
 - New Delhi  Pearson Prentice Hall  2007 
 - xix, 1136p.:  ill.;  25 cm. 
<br/><br/> South Asia edition published by Dorling Kindersley 
<br/><br/><label>ISBN: </label>9788131710005 
<br/><br/><label>Dewey Class. No.: </label>621.3822 PRO