TY  - RPRT
TI  - Introduction to the fifth Mars Polar Science special issue: key questions, needed observations, and recommended investigations
AU  - Stephen M. Clifford
AU  - Kenji Yoshikawa
AU  - Shane Byrne
AU  - William Durham
AU  - David Fisher
AU  - Francois Forget
AU  - Michael Hecht
AU  - Peter Smith
AU  - Leslie Tamppari
AU  - Timothy Titus
AU  - Richard Zurek
PY  - 2013
DO  - 10.1016/j.icarus.2013.04.005
UR  - https://pubs.usgs.gov/publication/70047183
ID  - 70047183
ER  -