@misc{indiciae4a2ccab2a70e,
  title = {TES mapping of Mars' north seasonal cap},
  author = {Hugh H. Kieffer and Timothy N. Titus},
  year = {2001},
  doi = {10.1006/icar.2001.6670},
  url = {https://pubs.usgs.gov/publication/70022775},
  note = {Source identifier: 70022775}
}