@inproceedings{ijcai1999p136,
  title     = {The Detection and Exploitation of Symmetry in Planning Problems},
  author    = {Fox, Maria and Long, Derek},
  booktitle = {Proceedings of the Sixteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-99}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Thomas Dean},
  pages     = {956--960},
  year      = {1999},
  note      = {Planning and Scheduling},
  url       = {https://ijcai.org/proceedings/1999/136},
}