1. Engineering Materials 2, An Introduction to Microstructures, Processing and Design;Ashby,1986
2. Some aspects of the behaviour of granular materials at high pressures;Billam,1972
3. The Physics of Experimental Method;Braddick,1963
4. A discrete numerical model for granular assemblies;Cundall;Géotechnique,1979
5. A model for soil behavior under monotonic and cyclic loading conditions;Dafalias,1979