Eric Corlett, Gerald Penn. Why Letter Substitution Puzzles are Not Hard to Solve: A Case Study in Entropy and Probabilistic Search-Complexity. In András Kornai, Marco Kuhlmann, editors, Proceedings of the 13th Meeting on the Mathematics of Language, MoL 2013, Sofia, Bulgaria, August 9, 2013. pages 83-92, ACL, 2013. [doi]
Abstract is missing.