Knowledge representation and defeasible reasoning / 
edited by Henry E. Kyburg , Ronald P. Louiand and Greg N. Carlson 
 - Dordrecht, The Netherlands :  Kluwer Academic Publishers,  c1990 
 - xxii, 423 p. ;  23 cm. 
 - Studies in cognitive systems ;  v. 5 .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0792306775 :  F 195.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artificial intelligence<br/>Knowledge, Theory of<br/>Defeasible reasoning<br/>Frames (Information theory)<br/>Knowledge representation (Information theory)
<br/><br/><label>Dewey Class. No.: </label>006.3