1. Stress Fluctuations in a 2D Granular Couette Experiment: A Continuous Transition;Howell,1999
2. Granular solids, liquids, and gases;Jaeger,1996
3. Pulver und Schüttgüter;Schulze,2009
4. An annular shear cell for granular materials;Carr;Powder Technol.,1968
5. Measurement of Flow Properties of Bulk Solids;Schwedes,1990