@misc{indiciae229c98ee432d,
  title = {Evolution of Mars’ Northern Polar Seasonal CO 2 deposits: variations in surface brightness and bulk density},
  author = {Christopher P. Mount and Timothy N. Titus},
  year = {2015},
  doi = {10.1002/2014je004706},
  url = {https://pubs.usgs.gov/publication/70148526},
  note = {Source identifier: 70148526}
}