1. J. Happel, H. Brenner, Low Reynolds Number Hydrodynamics, 5th ed., Kluwer Academic Publisher, Dordrecht, 1991
2. R. Clift, J.R. Grace, M.E. Weber, Bubbles, Drops and Particles, Academic Press, New York, 1978
3. V.G. Levich, Physicochemical Hydrodynamics, Prentice-Hall, Englewood Cliffs, NJ, 1962
4. Retardation of falling drops
5. Rise of gas bubbles in quiescent liquids