First published as part of AS A89-1966.Revised and redesignated in part as AS 1289.D3.1-1977.Revised and redesignated AS 1289.4.3.1-1997. Originated as part of AS A89-1966. Previous edition AS 1289.D3.1-1977. Revised and redesignated AS 1289.4.3.1-1997.