@misc{indiciae5e6070f7b766,
  title = {Multispectral digital image mapping of Antarctic ice features},
  author = {Charles Swithinbank and Baerbel K. Lucchitta},
  year = {2017},
  doi = {10.3189/s0260305500001361},
  url = {https://pubs.usgs.gov/publication/70200783},
  note = {Source identifier: 70200783}
}