TY - RPRT TI - Precision orbit determination for the Geosat Exact Repeat Mission AU - Shum, C. K. AU - Yuan, D. N. AU - Ries, J. C. AU - Smith, J. C. AU - Schutz, B. E. PY - 1990 UR - https://ntrs.nasa.gov/citations/19900042552 ID - 19900042552 ER -