@inproceedings{ijcai1997p208,
  title     = {Reasoning about Action in Polynomial Time},
  author    = {Drakengren, Thomas and Bjäreland, Marcus},
  booktitle = {Proceedings of the Fifteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-97}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Martha E. Pollack},
  pages     = {1447--1452},
  year      = {1997},
  note      = {Temporal Reasoning},
  url       = {https://ijcai.org/proceedings/1997/208},
}