Ziemer, Rodger E. <br/><br/>
Signals and systems : continuous and discrete / 
Ziemer, Rodger E. 
 - 4th ed. 
 - New Delhi:  Pearson,  2015. 
 - xvii, 622p.; 24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9789332542044 
<br/><br/><label>Dewey Class. No.: </label>621.382 ZIE