Ghosh, Samarajit,  <br/><br/>
Signals and systems / 

 - New Delhi,   Pearson Education,   c2006. 
 - xx, 446p. ;  ill. ;  24 cm.  
<br/><br/><label>ISBN: </label>8177583808 
<br/><br/><label>Dewey Class. No.: </label>621.3822320