@inproceedings{ijcai1987p201,
  title     = {Short Time Periods},
  author    = {Hayes, Patrick J. and Allen, James F.},
  booktitle = {Proceedings of the Tenth International Joint Conference on
               Artificial Intelligence, {IJCAI-87}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {John McDermott},
  pages     = {981--982},
  year      = {1987},
  note      = {Reasoning},
  url       = {https://ijcai.org/proceedings/1987/201},
}