1. Richardson, E. G., “Dynamics of Real Fluids”, 39 (Arnold, London, 1950).
2. Martinelli, R. C., and Boelter, L. M. K., Proc. 5th Internat. Cong. App. Mech., 578 (1938) (quoted in ref. 5).
3. Martinelli, R. C., Boelter, L. M. K., Weinberg, E. B., and Yakahi, S., Trans. Amer. Soc. Mech. Eng., 65, 789 (1943).
4. Marchant, J. H., ibid., discussion.
5. West, F. B., and Taylor, A. T., Chem. Eng. Prog., 48, 39 (1952).