1. a Coastal and Hydraulics Laboratory , U.S. Army Engineer Research and Development Center , Vicksburg, MS, 39180-6199
2. b Offshore Engineering Department , American Bureau of Shipping , 16855 Northchase Drive, Houston, TX, 77060-6008
3. c Coastal and Ocean Engineering DivisionI , Texas A&M University , College Station, TX, 77843-3136