TY  - RPRT
TI  - Lunar physical librations and laser ranging
AU  - Williams, J. G.
AU  - Slade, M. A.
AU  - Eckhardt, D. H.
AU  - Kaula, W. M.
PY  - 1973
UR  - https://ntrs.nasa.gov/citations/19740032113
ID  - 19740032113
ER  -