TY  - RPRT
TI  - Discrepancies between radar data and the lunar ephemeris.
AU  - Pettengill, G. H.
AU  - Shapiro, I. I.
AU  - Smith, C. R.
AU  - Weinstein, F. S.
PY  - 1968
UR  - https://ntrs.nasa.gov/citations/19680049280
ID  - 19680049280
ER  -