@inproceedings{ijcai1977p99,
  title     = {Exactly How Good Are Heuristics?: Toward a Realistic Predictive Theory of Best-First Search},
  author    = {Gaschnig, John},
  booktitle = {Proceedings of the Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-77}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Raj Reddy},
  pages     = {434--440},
  year      = {1977},
  note      = {Problem-solving and Search},
  url       = {https://ijcai.org/proceedings/1977/99},
}