1. Validation of ETOPO5U in the Hellenic area;Arabelos;Bull. Geod.,1994
2. On the possibility to estimate bottom topography from marine gravity and satellite altimeter data using collocation;Arabelos,1997
3. Validation of ETOPO5U in a local area referring to a height model of Spain and a comparative analysis of different geoid models in the Mediterranean;Egger,1994
4. A study of terrain reductions, density anomalies and geophysical inversion methods in gravity field modelling;Forsberg;The Ohio State University, Report No. 355,1984
5. Validation of the global digital height model ETOPO5U in a local area referring to the Italian height model (Italian DEM);]Fürst,1993