TY  - RPRT
TI  - Mars gravity - Additional resolution from Viking Orbiter I
AU  - Sjogren, W. L.
AU  - Wimberly, R. N.
AU  - Cain, D. L.
AU  - Brenkle, J. P.
PY  - 1978
UR  - https://ntrs.nasa.gov/citations/19790055285
ID  - 19790055285
ER  -