1. “Particle Mixing and Classification in Liquid Fluidized Beds,”;Al-Dibouni;Trans. Instn. Chem. Engrs.,1979
2. “Classifying Sand by Elutriation,”;Anon;Cement, Lime and Gravel,1965
3. High Density and Low Velocity Pneumatic Transportation of Powders and Granular Materials
4. “Pneumatic Transport of Solids,” Chap. 11;Arastoopour,1986
5. “Vertical Pneumatic Conveying Using Four Hydrodynamic Models,”;Arastoopour;Ind. Eng. Chem. Fund.,1974