1. Reynolds, O., Nature, 16, 343 (1877).
2. Lamb, H., Hydrodynamics (Cambridge University Press, 1932).
3. Starr, V. P., and Platzman, G. W., J. Mar. Res., 7, 229 (1948).
4. Platzman, G. W., J. Mar. Res., 6, 194 (1947).
5. Wehausen, J. V., and Laitone, E. V., Handbuch Phys., 9, 446 (1960).