TY  - RPRT
TI  - Five-day mission plan to investigate the geology of the Marius Hills region of the Moon
AU  - Donald Parker Elston
AU  - Charles R. Willingham
PY  - 1969
DO  - 10.3133/ofr6991
UR  - https://pubs.usgs.gov/publication/ofr6991
ID  - ofr6991
ER  -