Johnson, Johnny Ray. <br/><br/>
Introduction to digital signal processing / 
Johnny R. Johnson. 
 - New Delhi  Prentice Hall,  c1989. 
 - xix, 407 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0134815815 
<br/><br/><label>Subjects--Index Terms: </label>Signal processing--Digital techniques 
<br/><br/><label>Dewey Class. No.: </label>621.38/043  / JOH