Oppenheim, Alan V. <br/><br/>
Digital signal processing 
by Alan V. Oppenheim and Ronald W. Schafer 
 - New Delhi  Prentice-Hall of India  c1975 
 - xiv, 585p.;  24cm. 
<br/><br/><label>Dewey Class. No.: </label>621.38043  / OPP