1. Inherent anisotropy in a sand;Arthur;Geotechnique,1972
2. Homogeneous and layered sand in triaxial compression;Arthur;Geotechnique,1975
3. The effect of stresss history on the relation between ϕ and porosity in sand;Bishop;Proc. 3th ICSMFE,1953
4. The shear strength of a fine sand;Bjerrum;Proc. 5th ICSMFE,1960
5. Shearing resistance of sand samples with circular and rectangular cross sections;Bjerrum,1961