1. ASTM B212-76, Standard Test Method for Apparent Density of Free Flowing Metal Powders. ANSI/ASTM American National Standard, New York
2. Pressure drop in duct flow of gaseous suspensions of fine particles;Boothroyd;Trans. Inst. Chem. Eng.,1966
3. BS 1042 Method of Measurement of the Fluid Flow in Pipes. British Standard Institution, London
4. The effect of particle shape on pressure drop in turbulent pipe flow of a gas–solid suspension;Coughran;Trans. ASME, J. Fluids Eng.,1988
5. Flow regimes of wood-pulp fibers in air suspensions;Garner;Tappi,1980