TY  - RPRT
TI  - Planetary Protection, Sample Return Missions and Mars Exploration: History, Status, and Future Needs
AU  - DeVincenzi, Donald L.
AU  - Race, Margaret S.
AU  - Klein, Harold P.
PY  - 1998
UR  - https://ntrs.nasa.gov/citations/20010002977
ID  - 20010002977
ER  -