1. Darbyshire, J., and M. Darbyshire, 1964: Range action in Table Bay Harbour. S. Afr. J. Sci.60, 173.
2. Donn, W. L., and W. T. McGuinness, 1963: An investigation of long-period ocean waves. Monogr. UGGI No. 24, S. 26.
3. Gluhovsky, B. H., 1964: The study of sea wind waves. Gimiz, Leningrad.
4. Koch, A. A., 1964: Controlling surge in harbour design. Consult. Engr.23, 6.
5. Munk, W. H., 1949: Surf beats. Trans. Amer. geophys. Un.30, 849.