Lioyd, J W <br/><br/>
Foundations of logic programming 

 - 2nd ed. 
 - New York  Springer-Verlag  1987 
 - xii, 212 p. 
<br/><br/><label>ISBN: </label> DM100 
<br/><br/><label>Dewey Class. No.: </label>005.187 L777F