Oppenheim, Alan V. Schafer, Ronald W. Buck, John R. <br/><br/>
Discrete time signal processing 

 - 2nd ed. 
 -  New Jersey : Prentice-Hall,  1966 
 - xxvi+870 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Signal processing
<br/><br/><label>Dewey Class. No.: </label>621.38481  OPP;7 `R'