1. Bagnold R. A. (19-6) Motion of waves in shallow water: Interaction between waves and sand bottoms. A187 1-15.
2. Proc. R. Soc. London
3. Bea R. G. (197^+) Gulf of Mexico hurricane wave heights. Proc. 6th Offshore Tech. Conf. OTC 2110 Dallas Texas.
4. Breeding J. E. Jr. (1972) Refraction of gravity water waves. Naval Coastal Systems Lab. Rep. NCSL 124-72 161 pp.
5. Bretschneider C. L. and R. 0. Reid (195 1 *) Changes in wave height due to bottom friction percolation and refraction. Tech. memo. Beach Erosion Board U.S. Army Corps of Engineers No. 45 36 pp.