@inproceedings{ijcai1975p56,
  title     = {Predicting The Length Of Solutions To Problems},
  author    = {Quinlan, J. Ross},
  booktitle = {Proceedings of the Fourth International Joint Conference on
               Artificial Intelligence, {IJCAI-75}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Patrick Winston and Carl Hewitt},
  pages     = {363--368},
  year      = {1975},
  note      = {Search Techniques},
  url       = {https://ijcai.org/proceedings/1975/56},
}