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2. Effect of particle size distribution on local voidage in a bench-scale conical fluidized bed dryer;Tanfara;Dry. Technol.,2002
3. Elutriation in a fluidized bed;Osberg;Chem. Eng. Prog.,1951
4. Fluidization;Leva,1959
5. R.J. Fleming, M.S. Thesis, Stevens Institute of Technology, 1950 (as cited in Leva [4]).