Steve Dunne. Introducing Backward Refinement into B. In Didier Bert, Jonathan P. Bowen, Steve King, Marina A. Waldén, editors, ZB 2003: Formal Specification and Development in Z and B, Third International Conference of B and Z Users, Turku, Finland, June 4-6, 2003, Proceedings. Volume 2651 of Lecture Notes in Computer Science, pages 178-196, Springer, 2003. [doi]