@misc{indiciae20bffb4ea474,
  title = {Geology and insolation-driven climatic history of Amazonian north polar materials on Mars},
  author = {K. L. Tanaka},
  year = {2005},
  doi = {10.1038/nature04065},
  url = {https://pubs.usgs.gov/publication/70027613},
  note = {Source identifier: 70027613}
}