1. Bouman J (2000) Quality assessment of satellite-based global gravity field models, Ph.D thesis, Delft University of Technology
2. Davis PJ (1979) Circulant matrices. Wiley, New York
3. Ditmar P, van Eck van der Sluijs AA (2004) A technique for Earth’s gravity field modeling on the basis of satellite accelerations. J Geod 78:12–33
4. Ditmar P, Kusche J, Klees R (2003) Computation of spherical harmonic coefficients from gravity gradiometry data to be acquired by the GOCE satellite: regularization issues. J Geod 77:465–477
5. Ditmar P, Klees R, Kuznetsov V, van Eck van der Sluijs AA, Schrama E, Liu X (2004a) Gravity field analysis with the acceleration approach on the basis of data from the CHAMP satellite mission. In: Proceedings of the IAG international symposium “Gravity, Geoid and Space Missions – GGSM2004”, Porto, Portugal, 30 August–3 September, 2004, CDROM