Thomas,D.Gnanaraj <br/><br/>
Crptography automata and learning theory 
D.GnanarajThomas 
 - New Delhi  Narosa Publication House  2011 
 - x,228 
<br/><br/><label>ISBN: </label>8184870497 
<br/><br/><label>Dewey Class. No.: </label>005.82 TH-C