TOPEX/Poseidon Precise Orbit Determination Using GPS Double Difference Phase Observables
Improvement of the SLR Borowiec Station Position in the Global Network ITRF91
High Precision Orbits for the International GPS Service for Geodynamics (IGS)
ERS-1 and ERS-2 Tandem Mission: Orbit Determination, Prediction and Maintenance
ERS-1 and ERS-2 Operational and Precise Orbit Determination
COSPAR Report to United Nations 1996: Satellite Dynamics