1. Kondrat’ev, A.S. and Naumova, E.A., Simple Approximate Formula For the Drag Coefficient of a Spherical Particle, in Problemy aksiomatiki v gidrogazodinamike (Problems of Axiomatics in Fluid Dynamics), Moscow: Vek knigi, 2002, vol. 10, p. 39.
2. Kondrat’ev, A.S. and Naumova, E.A., Calculation of the Free Settling Velocity of Solid Particles in a Newtonian Liquid, Teor. Osn. Khim. Tekhnol., 2003, vol. 37, no. 6, p. 646 [Theor. Found. Chem. Eng. (Engl. Transl.), vol. 37, no. 6, p. 606].
3. Kondrat’ev, A.S. and Naumova, E.A., Calculation of the Velocity of Obstructed Settling of Monodisperse Solid Particles in a Newtonian Liquid, 2004, vol. 38, no. 6, p. 624 [Theor. Found. Chem. Eng. (Engl. Transl.), vol. 38, no. 6, p. 586].
4. Kondrat’ev, A.S. and Naumova, E.A., Hindered Settling Velocity of a Bimodal Mixture of Spherical Solid Particles in a Newtonian Fluid, 2006, vol. 40, no. 4, p. 417 [Theor. Found. Chem. Eng. (Engl. Transl.), vol. 40, no. 4, p. 387].
5. Kondrat’ev, A.S. and Naumova, E.A., Calculation of the Hindered Settling Velocity of a Bimodal Mixture of Solid Particles of Arbitrary Shape in a Newtonian Fluid, Teor. Osn. Khim. Tekhnol., 2007, vol. 41, no. 2, p. 228 [Theor. Found. Chem. Eng. (Engl. Transl.), vol. 41, no. 2, p. 216].