@misc{indiciae581bb5a7dc0d,
  title = {Exposed water ice discovered near the south pole of Mars},
  author = {Timothy N. Titus and Hugh H. Kieffer and Phillip R. Christensen},
  year = {2003},
  doi = {10.1126/science.1080497},
  url = {https://pubs.usgs.gov/publication/70025908},
  note = {Source identifier: 70025908}
}