Arnon Avron, Ori Lahav. Canonical Constructive Systems. In Martin Giese, Arild Waaler, editors, Automated Reasoning with Analytic Tableaux and Related Methods, 18th International Conference, TABLEAUX 2009, Oslo, Norway, July 6-10, 2009. Proceedings. Volume 5607 of Lecture Notes in Computer Science, pages 62-76, Springer, 2009. [doi]