@misc{indiciae5abe8780f630,
  title = {Advanced systems data for mapping Emperor Penguin habitats in Antarctica},
  author = {Richard D. Sanchez and Gerald L. Kooyman},
  year = {2004},
  doi = {10.3133/ofr20041379},
  url = {https://pubs.usgs.gov/publication/ofr20041379},
  note = {Source identifier: ofr20041379}
}