COVINGTON, Michael A. <br/><br/>
Prolog programming in depth / 
[by] Michael A.Covington, Donald Nute, Andre Vellino 
 - New Jersey  Prentice Hall  1997 
 - 516 p. 
<br/><br/> Includes bibliography and index 
<br/><br/><label>ISBN: </label>013138645x 
<br/><br/><label>Dewey Class. No.: </label>6.3  / COV