An introduction to signals and systems / 
Stuller, John Alan 
 - Canada :  Nelson a division of thomson canada limited,  2008. 
 - xviii, 566 p.: 23.5 cm. 
<br/><br/>Includes appendices, bibliography, index 
<br/><br/><label>ISBN: </label>9780495244783 
<br/><br/><label>Dewey Class. No.: </label>C 621.382 St934 2008