Ngā tūemi rite: ZUM'97: The Z Formal Specification Notation :
- ZUM '98: The Z Formal Specification Notation : 11th International Conference of Z Users, Berlin, Germany, September 24-26, 1998, Proceedings /
- ZB 2000: Formal Specification and Development in Z and B : First International Conference of B and Z Users York, UK, August 29 - September 2, 2000 Proceedings /
- 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 /
- ZB 2002: Formal Specification and Development in Z and B : 2nd International Conference of B and Z Users Grenoble, France, January 23-25, 2002, Proceedings /
- ZB 2005: Formal Specification and Development in Z and B : 4th International Conference of B and Z Users, Guildford, UK, April 13-15, 2005, Proceedings /
- Z = Z /