TY - JOUR A1 - Ehlers, S. A1 - Moore, P. T1 - Improvement of ERS-1 orbits using along-track accelerations from DORIS data on SPOT2 JO - Ann. Geophys. J1 - ANGEO VL - 12 IS - 8 SP - 775 EP - 784 Y1 - 1994/07/31 PB - Springer Verlag SN - 1432-0576 UR - https://angeo.copernicus.org/articles/12/775/1994/ L1 - https://angeo.copernicus.org/articles/12/775/1994/angeo-12-775-1994.pdf DO - 10.1007/s00585-994-0775-z ER -