Sowa, John F. <br/><br/>
Knowledge representation : logical, philosophical, and computational foundations 

 - Brooks-Cole/Thomson Learning, New York  2000 
 - xiv,954 
<br/><br/><label>ISBN: </label>0-534-94965-7 
<br/><br/><label>Dewey Class. No.: </label>003.54 Sow