Oppenheim, Alan V,. <br/><br/>
Signals and Systems/ 

 - 2nd ed. 
 - Delhi  PHI Learning  1997 
<br/><br/> Found during stock verification Without Acc. No. 
<br/><br/><label>ISBN: </label>9788120312463 
<br/><br/><label>Dewey Class. No.: </label>000