Babu, P. Ramesh <br/><br/>
Digital signal processing 
by P. Ramesh Babu 
 - 5th ed. 
 - Chennai:  Scitech Publiscation (India) Pvt. Ltd.  c.2014 
<br/><br/><label>ISBN: </label>9788183714891 
<br/><br/><label>Dewey Class. No.: </label>D66  / Q4