@inproceedings{corlett-penn-2013-letter,
    title = "Why Letter Substitution Puzzles are Not Hard to Solve: A Case Study in Entropy and Probabilistic Search-Complexity",
    author = "Corlett, Eric  and
      Penn, Gerald",
    editor = "Kornai, Andr{\'a}s  and
      Kuhlmann, Marco",
    booktitle = "Proceedings of the 13th Meeting on the Mathematics of Language ({M}o{L} 13)",
    month = aug,
    year = "2013",
    address = "Sofia, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/W13-3009/",
    pages = "83--92"
}