1. Kizel’vater, B.V., Teoreticheskie osnovy gravitatsionnykh protsessov obogashcheniya (Theoretical Principles of Gravity Concentration Processes), Moscow: Nedra, 1979.
2. Kondrat’ev, A.S. and Naumova, E.A., Calculation of the Velocity of Obstructed Settling of Monodisperse Solid Particles in a Newtonian Liquid, Teor. Osn. Khim. Tekhnol., 2004, vol. 38, no. 6, pp. 624–629 [Theor. Found. Chem. Eng. (Engl. Transl.), vol. 38, no. 6, pp. 586–591].
3. Kondrat’ev, A.S. and Naumova, E.A., Hindered Settling Velocity of a Bimodal Mixture of Spherical Solid Particles in a Newtonian Fluid, Teor. Osn. Khim. Tekhnol., 2006, vol. 40, no. 4, pp. 417–422 [Theor. Found. Chem. Eng. (Engl. Transl.), vol. 40, no. 4, pp. 387–392].
4. Lockett, M.J. and Al-Habboody, H.M., Differential Settling by Size of Two Particle Species in a Liquid, Trans. Inst. Chem. Eng., 1973, vol. 51, no. 2, p. 281.
5. Mirza, S. and Richardson, J.F., Sedimentation of Suspensions of Particles of Two or More Sizes, Chem. Eng. Sci., 1979, vol. 34, no. 4, p. 447.