1. Confined Granular Flow in Silos – Experiments and Numerical Investigations;Tejchman,2013
2. Fließverhalten von Schüttgütern in Bunkern;Schwedes,1970
3. Handbook of Powder Science and Technology;Fayed,1984
4. Design and Construction of Silos and Bunkers;Safarian,1985
5. Storage and flow of solids, Bulletin No 123 of the Utah Engineering Experiment Station;Jenike,1964