Malpas, John   . <br/><br/>
Prolog: a relational language and its applications /   Textual Documents 
John Malpas. 
 - London :   Prentice -Hall International, Inc. ,   1987. 
 - NULL ;   NULL. 
<br/><br/><label>Subjects--Index Terms: </label>Prolog Programming Language PRO 
<br/><br/><label>Dewey Class. No.: </label>005.133PRO  / MAL