Johnson,Johnny R. <br/><br/>
Introduction to digital signal processing / 
Johnson,Johnny R. 
 - New delhi:  PH,  1989. 
 - xvii,407p;24cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8120307607 
<br/><br/><label>Dewey Class. No.: </label>621.381 548 JOH