@inproceedings{DBLP:conf/ismis/SchaubN97,
  author = {Schaub, Torsten and Nicolas, Pascal},
  title = {An Implementation Platform for Query-Answering in Default Logics: Theoretical Underpinnings},
  booktitle = {{ISMIS}},
  series = {Lecture Notes in Computer Science},
  volume = {1325},
  pages = {197--206},
  publisher = {Springer},
  year = {1997}
}