@misc{indiciae98736c294a9a,
  title = {Investigating climate change by digital analysis of blue-ice extent on satellite images of Antarctica},
  author = {Olav Orheim and Baerbel K. Lucchitta},
  year = {2017},
  doi = {10.3189/s0260305500008600},
  url = {https://pubs.usgs.gov/publication/70200787},
  note = {Source identifier: 70200787}
}