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

 - 2nd ed. 
 - Delhi  Pearson Education  1997 
 - 977p.  24cm PB 
 - Pearson Education Signal Processing series .
<br/><br/><label>ISBN: </label>8178086883 
<br/><br/><label>Dewey Class. No.: </label>621.3822  / OPP