1. C. BOUCHER: Progress Report on the Use of Space Derived Data for the RETrig Phase III. Proceedings RETrig Symposium Copenhagen 1983, (in print).
2. W.A. HEISKANEN and H. MORITZ: Physical Geodesy. W.H. Freeman & Co., San Francisco, 1967.
3. L.D. HOTHEM, D.S. ROBERTSON and W.E. STRANGE: Orientation and scale of satellite Doppler results based on combination and comparison with other space systems. Proceedings Sec. International Symposium on Problems Related to the Redefinition of North American Geodetic Networks, Arlington, Virginia, April 1978, pp. 167–180. U.S. Department of Commerce 1978.
4. L.D. HOTHEM, T. VINCENTY and R.D. MOOSE: Relationship between Doppler and other advanced geodetic system measurements based on global data. Proceedings Third. Int. Geodetic Symp. on Satellite Doppler Positioning, 1982, pp. 109–128, Physical Science Lab., New Mexico State Univ., Las Cruces, N.M.
5. F.J. LERCH, B. PUTNEY, S. KLOSKO and C. WAGNER: Goddard Earth Models for Oceanographic Applications (GEM 10B and 10C). Marine Geodesy, Vol. 5, pp. 145–187, 1981.