@inproceedings{ijcai1983p189,
  title     = {Characterizing Search Spaces},
  author    = {Rada, Roy},
  booktitle = {Proceedings of the Eighth International Joint Conference on
               Artificial Intelligence, {IJCAI-83}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Alan Bundy},
  pages     = {780--781},
  year      = {1983},
  note      = {Planning and Search},
  url       = {https://ijcai.org/proceedings/1983/189},
}