First published as part of AS B279-1968.Revised and redesignated in part as AS 1863-1976.Jointly revised and redesignated in part as AS/NZS 4527:1998.Revised and designated as AS4527-2005. Originated as part of AS B279-1968. Previous edition AS/NZS 4527:1998. Revised and designated as AS 4527-2005.