1. The determination of the pre-consolidation load and its practical significance;Casagrande,1936
2. A study on swelling pressure using various laboratory testing methods;Man,1995
3. Consolidometer test procedural factors affecting swell properties;Fredlund,1969
4. Volume change behavior of unsaturated soils;Fredlund,1973
5. Constitutive relations for volume change in unsaturated soils;Fredlund;Canadian Geotechnical Journal,1976