1. Andersen, O, and J. Hinderer, Global Inter-Annual Gravity Changes from GRACE: Early Results, Geophys Res Lett. Geophys. Res. Lett., Vol. 32, No. 1, L01402 10.1029/2004GL020948, 2005.
2. Au, A.Y., B.F. Chao, M. Rodell and T.J. Johnson Global Soil Moisture Field and the Effects on the Earth’s Gravity, (abstract) Workshop on Hydrology from Space, http://gos.legos.free.fr/, Toulouse, France, 2003
3. Bettadpur, S., Gruber, Th., WatMns, M., Grace Science Data System Design, Supp. EOS Transaction EGU 80(46), 1999.
4. Bettadpur, S., Level-2 Gravity Field Product user Handbook, GRACE 327-734, CSR publ. GR-03-01, 17pp., 2003
5. Bettadpur, S., UTCSR Level-2 Processing Standards Document for Level-2 products Release 0001, GRACE 327-742, CSR publ. GR-03-03, 16 pp., 2003