@misc{indiciae834407960ce1,
  title = {Recent ice ages on Mars.},
  author = {James W Head and John F Mustard and Mikhail A Kreslavsky and Ralph E Milliken and David R Marchant},
  year = {2003},
  doi = {10.1038/nature02114},
  url = {https://pubmed.ncbi.nlm.nih.gov/14685228/},
  note = {Source identifier: 14685228}
}