Rich, Elaine <br/><br/>
Artificial intelligence 

 - 2nd ed. 
 - Delhi: TataMcGraw-Hill  1991 
 - xviii, 622p.  22 cm 
<br/><br/><label>ISBN: </label>0074600818 
<br/><br/><label>Dewey Class. No.: </label>006.3,D,Ric  / _