@misc{indiciaeeb1e16058b0f,
  title = {Coastal-change and glaciological maps of Antarctica},
  author = {Richard S. Williams},
  year = {2004},
  doi = {10.3133/i2600},
  url = {https://pubs.usgs.gov/publication/i2600},
  note = {Source identifier: i2600}
}