TY  - RPRT
TI  - The case for planetary sample return missions
AU  - James L. Gooding
AU  - M. H. Carr
AU  - Christopher P McKay
PY  - 2011
DO  - 10.1029/89eo00232
UR  - https://pubs.usgs.gov/publication/70209885
ID  - 70209885
ER  -