Johnson, Johnny R. <br/><br/>
Introduction to digital signal processing / 
by Johnny R. Johnson 
 - Noida:  Pearson,  1989 [ reprint 2018 ] 
 - xix,407p.;  23cm. 
<br/><br/>includes bibliography and index 
<br/><br/><label>ISBN: </label>9789332560130  Rs.575/- 
<br/><br/><label>Subjects--Index Terms: </label>DIGITAL SIGNAL PROCESSING 
<br/><br/><label>Dewey Class. No.: </label>621.3822  / JOH/I