Geffner, Hector <br/><br/>
Default reasoning :  the casual and conditional theories / 
Hector Geffner 
 - Cambridge :  The MIT Press,  1992 
 - 222 p. :  ill. ;  24 cm. 
 - ACM doctoral dissertation awards ;  1990 .
<br/><br/><label>ISBN: </label>0262071371 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Default reasoning<br/>Artificial intelligence--Data processing