1. Coordination of randomly packed spheres;Bernal;Nature,1960
2. Fabric and Mineral Analysis of Soils;Brewer,1964
3. The analysis of two-dimensional orientation data;Curray;Jour. Geol.,1956
4. Towards the statistical definition of a granular mass;Field,1963
5. Research on the texture of granular masses;Kallstenius;Proc. 5th Int. Conf. Soil Mech. Found. Eng.,1961