1970AS 1289.3.1.1:2009/Amdt 1:2015 Soil test methods for engineering use. Soil classification test. Determination of soil liquid limit. Four-point Casagrande method.
1970AS 1289.3.1.1:2009 Soil test methods for engineering use. Soil classification test. Determination of soil liquid limit. Four-point Casagrande method.
1970AS 1289.3.1.1:1995/Amdt 1:1998 Soil test methods for engineering use. Soil classification test. Determination of soil liquid limit. Four-point Casagrande method.
1994AS 1289.3.1.1:1995 Methods of testing soils for engineering purposes - Soil classification tests - Determination of the liquid limit of a soil - Four point Casagrande method