@inproceedings{ijcai2007p374,
  title     = {Recent Progress in Heuristic Search: A Case Study of the Four-Peg Towers of Hanoi Problem},
  author    = {Korf, Richard E. and Felner, Ariel},
  booktitle = {Proceedings of the Twentieth International Joint Conference on
               Artificial Intelligence, {IJCAI-07}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ramon López de Mántaras},
  pages     = {2324--2328},
  year      = {2007},
  url       = {https://ijcai.org/proceedings/2007/374},
}