TY  - RPRT
TI  - Lunar gravity fields determined from Apollo 8 tracking data
AU  - Felsentreger, T. L.
AU  - Murphy, J. P.
AU  - Ryan, J. W.
AU  - Salter, L. M.
PY  - 1969
UR  - https://ntrs.nasa.gov/citations/19690028424
ID  - 19690028424
ER  -