1. Fluidization Engineering;Kunii,1991
2. Air classification of solid particles: a review;Shapiro;Chem. Eng. Process.,2005
3. Continuous air classification of materials of mixed sizes;Krishna;Ind. Chem. Eng.,1963
4. Apparatus for classification of free-flowing materials in a fluidized bed;Gelperin;Int. Chem. Eng.,1964
5. Performance of a continuous fluidized bed classifier;Barari;Ind. J. Tech.,1978