TY  - RPRT
TI  - Planetary Protection Knowledge Gaps for Human Extraterrestrial Missions: Workshop Report
AU  - Race, Margaret S.
AU  - Johnson, James E.
AU  - Spry, James A.
AU  - Siegel, Bette
AU  - Conley, Catharine A.
PY  - 2015
UR  - https://ntrs.nasa.gov/citations/20160012793
ID  - 20160012793
ER  -