Non-monotonic reasoning  2nd international workshop grassau, FRG, Jun 13-15, 1988 proceedings 
M. Reinfrank J. de Kleer M. L. Ginsberg E. Sandewall (eds.) 
 - Berlin :  Springer-Verlag ,  1989 
 - xii, 237 p. :  ill. ;  25 cm. 
 - Lecture Notes in Artificial Intelligence  346 .
<br/><br/>p. 236-237 
<br/><br/><label>ISBN: </label>3540507019 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artificial intelligence--Congresses<br/>Reasoning--Congresses<br/>Logic, Symbolic and mathematical--Congresses