TY  - RPRT
TI  - Synthesis of an evolutionary lunar exploration plan.
AU  - Mclaughlin, J. F.
AU  - Paul, D., 3rd
AU  - Shapland, D. J.
PY  - 1967
UR  - https://ntrs.nasa.gov/citations/19670064259
ID  - 19670064259
ER  -