Proakis, John G. <br/><br/>
Introduction to digital signal processing / 
John G. Proakis, Dimitris G. Manolakis. 
 - New York :  Maxwell Macmillan,  1989. 
 - xv, 944 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0029462533