TY  - RPRT
TI  - Preliminary geologic map of the Rumker quadrangle of the moon
AU  - R. E. Eggleton
AU  - E.I. Smith
PY  - 1968
DO  - 10.3133/ofr6893
UR  - https://pubs.usgs.gov/publication/ofr6893
ID  - ofr6893
ER  -