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

 - New Delhi  Prentice-Hall.  1989 
 - xvi, 585 p.  PB  22 cm. 
<br/><br/><label>ISBN: </label>0876925328 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Data processing<br/>Computer science
<br/><br/><label>Dewey Class. No.: </label>621.3822  / OPP.