Clocksin, W F   . <br/><br/>
Programming in prolog /   Textual Documents 
W F Clocksin. 
 - 3 /   . 
 - New Delhi :   Narosa publishing house ,   1981. 
 - NULL ;   NULL. 
<br/><br/><label>Subjects--Index Terms: </label>Prolog Programming Language PRO 
<br/><br/><label>Dewey Class. No.: </label>005.133PRO  / CLO