@inproceedings{ijcai2005p116,
  title     = {Semantics for a useful fragment of the situation calculus},
  author    = {Lakemeyer, Gerhard and Levesque, Hector J.},
  booktitle = {Proceedings of the Nineteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-05}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  pages     = {490--495},
  year      = {2005},
  url       = {https://ijcai.org/proceedings/2005/116},
}