TY  - RPRT
TI  - Observations and impressions from lunar orbit
AU  - Mattingly, T. K.
AU  - El-Baz, F.
AU  - Laidley, R. A.
PY  - 1972
UR  - https://ntrs.nasa.gov/citations/19730013037
ID  - 19730013037
ER  -