ZB 2005: Formal Specification and Development in Z and B - 4th International Conference of B and Z Users, Guildford, UK, April 13-15, 2005, Proceeding
These proceedings record the papers presented at the 4th International Conf- ence of B and Z Users (ZB 2005), held in the city of Guildford in the south-east ofEngland. Thisconferencebuiltonthesuccessofthepreviousthreeconferences in this series, ZB 2000, held at the University of York in the UK, ZB 2002, held at theLaboratoire Logiciels Syst` emes R¿ eseaux within theInstitut d'Informatique et Math¿ ematique Appliqü ees de Grenoble (LSR-IMAG) in Grenoble, France, and ? ZB 2003, held in Turku in..