Nagrath, I. J. Sharan, S. N.  Ranjan, Rakesh. <br/><br/>
Signals and Systems / 
I J Nagrath , S N Sharan & Rakesh Ranjan. 
 - 2 ed. 
 - New Delhi:   Mc Graw Hill,   c2009. 
 - xii, 635p. 
<br/><br/><label>ISBN: </label>9780070141094 
<br/><br/><label>Dewey Class. No.: </label>621.38   / NAG/S