1. “Storage and Flow of Solids”, Bulletin No.123, Utah engineering experiment station;Jenike,1990
2. Roberts A.W., “ Bulk Solid Handling – Recent Development and Future Directions”, Bulk solids handling Int. JI., Vol. (1991), pp.17-34
3. Schulze, D. Powders and Bulk Solids—Behavior, Characterization, Storage and Flow; Springer: Berlin, Germany, 2008; pp. 69–74,243– 247.
4. The Institution of Chemical Engineers (Eds.): Standard shear testing technique for particulate solids using the Jenike shear cell (1989).
5. ASTM Standard D6128: Standard Test Method for Shear Testing of Bulk Solids Using the Jenike Shear Tester ASTM International, www.astm.org.