TY  - RPRT
TI  - Venus and Mars nominal natural environment for advanced manned planetary mission programs
AU  - Evans, D. E.
AU  - Kraus, G. L.
AU  - Pitts, D. E.
PY  - 1967
UR  - https://ntrs.nasa.gov/citations/19670015713
ID  - 19670015713
ER  -