Walker, Adrian Ed.  _ <br/><br/>
Knowledge systems and prolog 

 - Canada  Addision-Wesley  1987 
 - xii, 475 p.  HB  22 cm. 
<br/><br/><label>ISBN: </label>0201090449 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Prolog
<br/><br/><label>Dewey Class. No.: </label>001.642  / KNO