1. Acuña, G,, and W. Bosch (2003). Absolute Comparison of Satellite Altimetry and Tide Gauge Registrations in Venezuela, IAG Symposium, This Volume.
2. Acuña, G., W. Bosch and B. Meisel (2002). Correlation between Multi-Mission Altimeter Time Series and Tide Gauge Registrations in the Caribbean Sea, In IAG Symposium 124: Vertical Reference Systems, pp. 231–237, Springer-Verlag.
3. Anderson, O., P. Knudsen, S. Kenyon and R. Trimmer (2000). The KMS99 Global Marine Gravity Field — Improvements and Accuracy Assesment, EGS General Assembly, Nice.
4. Anderson, O., P. Knudsen and R. Trimmer (2001). The KMS2001 Global Mean Sea Surface and Gravity Field, Poster, IAG 2001 General Assembly, “Vistas For Geodesy In The New Millenium”, 2.–7. September 2001, Budapest, Ungary.
5. Anzenhofer, M., and T. Gruber (1995). MSS93A: A New Sationary Sea Surface Combining One Year Upgraded ERS-1 Fast Delivery Data and 1987 GEOSAT Altimeter Data, Bulletin Gèodèsique, 69, pp. 157–163.