@article{DBLP:journals/ai/DelgrandeS97,
  author = {Delgrande, James P. and Schaub, Torsten},
  title = {Compiling Specificity Into Approaches to Nonmonotonic Reasoning},
  journal = {Artif. Intell.},
  volume = {90},
  number = {1-2},
  pages = {301--348},
  year = {1997}
}