Oppenheim, Alan V., <br/><br/>
Discrete-Time Signal Processing 

 - 2nd ed. 
 - New Delhi :  Pearson Education Pte. Ltd.,  c1999. 
 - xxvi, 869 p.:  [E9] 
<br/><br/><label>ISBN: </label>9788131704929 
<br/><br/><label>Dewey Class. No.: </label>621.3822  / OPP/DIS