Oppenheim, Alan V., <br/><br/>
Digital signal processing 

 - Englewood Cliffs, N.J.,  Prentice-Hall  1975 
 - xiv, 585 p. 
<br/><br/><label>ISBN: </label>0132146355 
<br/><br/><label>Dewey Class. No.: </label>621.3819582  / OPP