First GOCE gravity field models derived by three different approaches.

Carl Christian Tscherning, M. Veicherts, R. Pail, T. Fecher, S. Brusima, F. Migliaccio, M. Reguzzoni, F. Sansò, C. Förste, O. Abrikosov, H. Goiginger, R. Mayrhofer, W.-D. Schuh, J.M. Brockmann, I. Krasbutter, E. Höck