First published in part as AS CA5—1933.AS CA6 first published 1933.Int 311 first published 1951.Int 311—1951 revised and redesignated AS CA46—1967.AS CA5—1963 revised and redesignated AS 2050—1977.AS CA6—1949 revised and redesignated AS 1760—1975.AS CA46—1967 revised and redesignated AS 1758—1975.AS 1758—1975, AS 1760—1975 and AS 2050—1977 revised, amalgamated and redesignated AS 2050—1989.Fifth edition 2018. First published in part as AS CA5-1933. AS CA6 first published 1933. Int 311 first published 1951. Int 311-1951 revised and redesignated AS CA46-1967. AS CA5-1963 revised and redesignated AS 2050-1977. AS CA6-1949 revised and redesignated AS 1760-1975. AS CA46-1967 revised and redesignated AS 1758-1975. AS 1758-1975, AS 1760-1975 and AS 2050-1977 revised, amalgamated and redesignated AS 2050-1989. Fifth edition 2018.