Implementations of Prolog / 
edited by J.A. Campbell. 
 - New York, N.Y. :  Halsted Press,  1984. 
 - 391 p. :  ill. ;  25 cm. 
 - Ellis Horwood Series in Artificial Intelligence. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0853126755 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prolog (Computer program lanuage).