@article{DBLP:journals/tocl/DelgrandeSTW13,
  author = {Delgrande, James P. and Schaub, Torsten and Tompits, Hans and Woltran, Stefan},
  title = {A Model-Theoretic Approach to Belief Change in Answer Set Programming},
  journal = {{ACM} Trans. Comput. Log.},
  volume = {14},
  number = {2},
  pages = {14:1--14:46},
  year = {2013}
}