1. Scherverhalten leicht verdichteter;Schwedes,1971
2. An apparatus for the application of simple shear to soil samples;Roscoe;Proc. 3rd Int. Conf. Soil Mech.,1953
3. On the yielding of soils;Roscoe;Geotechnique,1958
4. An evaluation of test data for selecting a yield criterion for soils;Roscoe;Symp. Laboratory Shear Testing of Soils,1963