Alan , V. Oppenhiem; Nawab ,S Hamid; Willsky S. Alan <br/><br/>
Signals & Systems 

 - 2nd ed. 
 - Boston:  Printice Hall.  1997 
 - 957p. 
<br/><br/><label>ISBN: </label>81-203-1246-5 
<br/><br/><label>Subjects--Personal Names: </label><br/>Telecommunication Engineering
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication Engineering