Bratko , Ivan. <br/><br/>
Prolog programming for artificial intelligence  

 - 3rd edition. 
 - Delhi :  Pearson Education,  1994 
 - 678. 
<br/><br/><label>ISBN: </label>8178082578  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Special computer methods
<br/><br/><label>Dewey Class. No.: </label>006.3  / BRA