1. GPS precise tracking of TOPEX/POSEIDON: Results and implications;Bertiger;J. Geophys. Res.,1994
2. CHAMP orbit comparison campaign 2001;Boomkamp,2002
3. Precise orbit determination for CHAMP using GPS data from BlackJack receiver;Kuang,2001
4. The development of the joint NASA GSFC and the National Imagery and Mapping Agency (NIMA) geopotential model EGM96;Lemoine;NASA/TP-1998-206861,1998
5. CHAMP Precise Orbit Determination and Gravity Field Recovery;Moore,2002