1. Aitchison, G.D., 1985. Relationships of moisture stress and effective stress functions in unsaturated soils. In Proceedings of Golden Jubilee of the International Society for Soil Mechanics and Foundation Engineering: Commemorative Volume, pages 20–25. Engineers Australia, Barton, ACT: Institution of Engineers, Australia.
2. Soil water retention curves representing two tropical clay soils from sudan;Al Haj;Géotechnique,2016
3. A microstructurally based effective stress for unsaturated soils;Alonso;Géotechnique,2010
4. Modeling the relationship between soil bulk density and the water retention curve;Assouline;Vadose Zone J.,2006
5. The extra-thermodynamics of soil moisture;Babcock;Soil Sci.,1957