Covington, Michael A <br/><br/>
Prolog programming in depth 

 - London:   Scott, Foresman and Company,   1988 
 - xiv, 506p. 
<br/><br/><label>ISBN: </label>0673186598 
<br/><br/><label>Subjects--Index Terms: </label>Computer program language 
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.32.06Prolog  / M8