Nagrath, I J. (et al) <br/><br/>
Signals and systems  

 - 2nd ed . 
 - Tata McGraw Hill  New Delhi  2009 
 - xii, 635 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>621.38043 Nag