@inproceedings{ijcai1999p20,
  title     = {Axiomatic Foundations for Qualitative/Ordinal Decisions with Partial Preferences},
  author    = {Zapico, Adriana},
  booktitle = {Proceedings of the Sixteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-99}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Thomas Dean},
  pages     = {132--138},
  year      = {1999},
  note      = {Automated Reasoning},
  url       = {https://ijcai.org/proceedings/1999/20},
}