1. The motion of bubbles in a vertical temperature gradient,;N. O. Young;J. Fluid Mech.,1959
2. The Stokes force on a droplet in an unbounded fluid medium due to capillary effects,;R. S. Subramanian;J. Fluid Mech.,1985
3. On the capillary motion of arbitrary clusters of spherical bubbles. Part 1. General theory,;A. Sellier;J. Fluid Mech.,2004
4. The hydrodynamic resistance of a fluid sphere submerged in Stokes flows,;G. Hetsroni;Z. Angew. Math. Mech. \textbf{15} (1971),1971
5. Slow viscous migration of bubbles near a plane solid wall under a gravity and/or an external flow field,;A. Sellier;Far East J. Appl. Math.,2006