Gabel, Robert A. <br/><br/>
Signals and linear systems / 
Robert A. Gabel, Richard A. Roberts. 
 - 2nd ed. 
 - New York :  Wiley,  c1980. 
 - xiv, 492 p. :  ill. 
<br/><br/><label>ISBN: </label>0471049581 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric network analysis.<br/>Linear systems.