@inproceedings{ijcai1977p50,
  title     = {A State Logic for the Representation of Natural Language Based Intelligent Systems},
  author    = {Schwind, Camilla},
  booktitle = {Proceedings of the Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-77}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Raj Reddy},
  pages     = {228---1},
  year      = {1977},
  note      = {Representation of Knowledge},
  url       = {https://ijcai.org/proceedings/1977/50},
}