Oppenheim, A <br/><br/>
Signals & systems 

 - 2nd edition. 
 - New Delhi  :  Phi Publication,  2008. 
 - 957 
<br/><br/><label>ISBN: </label>81-203-1246-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Electronics Communication,
<br/><br/><label>Dewey Class. No.: </label>621.382 2  / OPP