@inproceedings{Casini10,
 Author = {Giovanni Casini and Umberto Straccia},
 Booktitle = {Proceedings of the 12th European Conference on Logics in Artificial Intelligence (JELIA-10)},
 Pages = {77--90}, 
 Number = {6341}, 
 Publisher = {Springer Verlag}, 
 Series = {Lecture Notes in Artificial Intelligence}, 
 Title = {Rational Closure for Defeasible Description Logics}, 
 Year = {2010}}