Stuart C. Shapiro <br/><br/>
Encylopedia of Artificial Intelligence Vol-1 

 -  J.W & Sons N.Y  1987 
 - 679 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science, Artificial Intelligence
<br/><br/><label>Dewey Class. No.: </label>006.30321  / SHA