1. Bock H, Jäggi A, Meyer U, Visser P, Van Helleputte T, van den IJssel J, Heinze M, Hugentobler U (2011) GPS-derived orbits for the GOCE satellite. J Geod 85(11):807–818
2. Bruinsma SL, Marty JC, Balmino G, Biancale R, Förste C, Abrikosov O, Neumayer H (2010) GOCE gravity field recovery by means of the direct numerical method. Presented at the ESA Living Planet Symp, Bergen, Norway
3. Dick S, Kleine E, Müller-Navarra S, Klein H, Komo H (2001) The operational circulation model of BSH (BSHcmod). Berichte des Bundesamtes für Seeschifffahrt und Hydrographie (Nr.29/2001)
4. Ditmar P, van der Sluijs AvE (2004) A technique for modeling the earths gravity field on the basis of satellite accelerations. J Geodesy 78(1–2):12–33
5. Space Sciences Series of ISSI, vol 17;M Drinkwater,2003