Oppenheim, A <br/><br/>
Discrete-time signal processing,second edition 

 - New Delhi  :  Pearson Eduction,  2005. 
 - 888 
<br/><br/><label>ISBN: </label>81-7808-244-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Electronics Communication,
<br/><br/><label>Dewey Class. No.: </label>621.382 2  / OPP