@inproceedings{ijcai1985p264,
  title     = {Models in expert systems},
  author    = {},
  booktitle = {Proceedings of the Ninth International Joint Conference on
               Artificial Intelligence, {IJCAI-85}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Aravind Joshi},
  year      = {1985},
  url       = {https://ijcai.org/proceedings/1985/264},
}