1. Inherent anisotropy in a sand;Arthur;Geotechnique,1972
2. Principal stress rotation: A missing parameter;Arthur;Proc. ASCE,1980
3. The effect of stress history on the relation between ϕ and porosity in sand;Bishop,1953
4. Effects of rotation of the principal stress axes and of the intermediate principal stresses on the shear strength;Broms,1965
5. Effect of strain history on liquefaction of sand;Finn;Proc. ASCE,1970