1. B. Predel, L. Ratke, H. Fredriksson, in: H.U. Walter (Ed.), Fluid Sciences and Materials Science in Space, Springer-Verlag, Berlin, 1987, pp. 517–565.
2. D. Langbein, in: J.N. Koster, R.L. Sani (Eds.), Low-Gravity Fluid Dynamics and Transport Phenomena, Program in Astronautics and Aeronautics, vol. 130, AIAA, Washington, 1990, pp. 631–659.
3. B. Predel, Phase Equilibria, Crystallographic and Thermodynamic Data of Binary Alloys, subvol. G, Springer-Verlag, Berlin, 1997.
4. The motion of bubbles in a vertical temperature gradient