@inproceedings{ijcai1977p20,
  title     = {COMEX: A Commodities Support System},
  author    = {Stansfield, J.},
  booktitle = {Proceedings of the Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-77}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Raj Reddy},
  pages     = {109---1},
  year      = {1977},
  note      = {Natural Language},
  url       = {https://ijcai.org/proceedings/1977/20},
}