1. K. Brocks andL. Hasse:Fluctuation measurements made at sea with a gyrescopic stabilized floating mast, inXIII General Assembly International Union Geodesy Geophysics (Berkeley, Cal., 1963).
2. S. Neshyba, D. A. Young andJ. H. Nath:Moored spar buoys for ocean research, Oceanology International (1970), p. 22.
3. O. Rudnick:FLIP, Floating Instrument Platform, Buoy Technology Symposium (Washington, D.C., 1964).
4. H. Lamb:Hydrodynamics (New York, N. Y., 1932).
5. L. Cavaleri andE. Mollo Christensen:Ocean. Eng.,8, 17 (1981).