Krysia Broda, Dov M. Gabbay. CLDS for Propositional Intuitionistic Logic. In Neil V. Murray, editor, Automated Reasoning with Analytic Tableaux and Related Methods, International Conference, TABLEAUX 99, Saratoga Springs, NY, USA, June 7-11, 1999, Proceedings. Volume 1617 of Lecture Notes in Computer Science, pages 66-81, Springer, 1999.