TY  - RPRT
TI  - Characterization of Mars' seasonal caps using neutron spectroscopy
AU  - T.H. Prettyman
AU  - W. C. Feldman
AU  - T.N. Titus
PY  - 2009
DO  - 10.1029/2008je003275
UR  - https://pubs.usgs.gov/publication/70036086
ID  - 70036086
ER  -