@misc{indiciaef4969a9ee910,
  title = {Concept for Mars Polar Rover and Ice Sampling Excursion},
  author = {Calvin, Wendy and Kahn, Cindy},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20130010582},
  note = {Source identifier: 20130010582}
}