First published as part of AS L6-1959 and AS L8-1959.
Second edition AS L6-1970.
AS L8-1959 revised and redesignated in part as AS 1441.4-1973.
AS L6-1970 and AS 1441.4-1973 revised and redesignated as AS 2001.2.3-1981.
Second edition 1988.
AS 2001.2.3-1988 revised and redesignated in part as AS 2001.2.3.1-2001.
Reconfirmed 2016.