TY  - RPRT
TI  - Preliminary geologic map, crater Gassendi of the moon
AU  - S.R. Titley
AU  - K. A. Howard
PY  - 1972
DO  - 10.3133/ofr72379
UR  - https://pubs.usgs.gov/publication/ofr72379
ID  - ofr72379
ER  -