TY  - RPRT
TI  - Preliminary geologic map of the near side of the Moon
AU  - Don E. Wilhelms
AU  - John F. McCauley
PY  - 1969
DO  - 10.3133/ofr69319
UR  - https://pubs.usgs.gov/publication/ofr69319
ID  - ofr69319
ER  -