I, Kononenko <br/><br/>
Prolog through examples 
Kononenko, I and Lavrac 
 - England  Sigma  1988 
 - 197p 
<br/><br/><label>ISBN: </label>1850580723 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prolong (computer program language)
<br/><br/><label>LC Class. No.: </label>QA 76  / .73.R6 1988