@inproceedings{DBLP:conf/aimsa/BenhammadiNS98,
  author = {Benhammadi, Farid and Nicolas, Pascal and Schaub, Torsten},
  title = {Extension Calculus and Query Answering in Prioritized Default Logic},
  booktitle = {{AIMSA}},
  series = {Lecture Notes in Computer Science},
  volume = {1480},
  pages = {76--87},
  publisher = {Springer},
  year = {1998}
}