TY  - RPRT
TI  - Mars gravity field based on a short-arc technique
AU  - Sjogren, W. L.
AU  - Lorell, J.
AU  - Wong, L.
AU  - Downs, W.
PY  - 1975
UR  - https://ntrs.nasa.gov/citations/19750054624
ID  - 19750054624
ER  -