1. American Society for Testing and Materials (2006) Standard Test Method for Unconsolidated-Undrained triaxial Compression Test on Cohesive Soil. Test Designation D 2166-06, Procedures for Testing Soils.
2. American Society for Testing and Materials (2007) Standard Test Method for Unconsolidated-Undrained triaxial Compression Test on Cohesive Soil. Test Designation D 2850-03(a), Procedures for Testing Soils.
3. American Society for Testing and Materials. (2007) Standard Practices for Preserving and Transporting Soil Samples. Test Designation D 4220-95, Procedures for Testing Soils.
4. American Society for Testing and Materials (1950) Standard Test Method for Laboratory Compaction Characteristics of Soil Using Standard Effort (600 kN-m/m3). Test Designation D 698, Procedures for Testing Soils, July 1950.
5. American Society for Testing and Materials (1958) Test Method for Laboratory Compaction Characteristics ofSoil Using Modified Effort (2, 700 kN-m/m3). Test Designation D 1557, Annual Book of ASTM Standards for Soil and Rock, August 1958.