TY  - RPRT
TI  - A low-order global gravity field of Venus and dynamical implications
AU  - Ananda, M. P.
AU  - Sjogren, W. L.
AU  - Phillips, R. J.
AU  - Wimberly, R. N.
AU  - Bills, B. G.
PY  - 1980
UR  - https://ntrs.nasa.gov/citations/19810042428
ID  - 19810042428
ER  -