First published as AS 1095.4.1.2-1981.Revised and redesignated AS 4276.3.1-1995.Jointly revised and designated as AS/NZS 4276.3.1:2007. Originated as AS 1095.4.1.2-1981. Previous edition AS 4276.3.1-1995. Jointly revised and designated as AS/NZS 4276.3.1:2007.