1. Principal stress rotation: A missing parameter;Arthur;Proc., ASCE,1980
2. Effects of rotation of the principal stress axes and of the intermediate principal stress on the shear strength;Broms;Proc, 6th ICSMFE, Montreal, Canada,1965
3. The behaviour of soil in the simple shear apparatus;Cole,1967
4. Maximum-minimum density test method of sand;Committee of JSSMFE on the Test Method of Relative Density of Sand,1979
5. Sand response to cyclic rotation of principal stress directions as induced by wave loads;Ishihara;Soils and Foundations,1983