Ramón Béjar, Cèsar Fernández, Carles Mateu, Nuria Pascual. Bounding the Phase Transition on Edge Matching Puzzles. In ISMVL 2009, 39th International Symposium on Multiple-Valued Logic, 21-23 May 2009, Naha, Okinawaw, Japan. pages 80-85, IEEE Computer Society, 2009. [doi]