Ahmed, N. U. <br/><br/>
Discrete-time signals and systems 
Nasir Ahmed, T. Natarajan 
 - Reston, Va.  Reston Pub. Co.  1983 
 - 398 p. : ill. ; 24cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>083513759 
<br/><br/><label>LCCN: </label>82-09146 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Discrete--time systems