Gabel, Robert A. <br/><br/>
Signals and linear systems / 
by Robert A. Gabel. 
 - 3rd ed. 
 - New York :  John Wiley & Sons,  1987. 
 - xii, 415 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471825131 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric networks.<br/>Electric engineering--Mathematics.<br/>System analysis.<br/>Linear systems.