TY  - RPRT
TI  - Position determination of spacecraft at Mars using earth-based differential tracking
AU  - Kahn, Robert D.
AU  - Folkner, William M.
AU  - Edwards, Charles D.
AU  - Vijayaraghavan, A.
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19920060716
ID  - 19920060716
ER  -