@misc{indiciaeb0fec2bddcd4,
  title = {Detecting denning polar bears with forward looking infra-red imagery (FLIR)},
  author = {Steven C. Amstrup and Geoff Weston-York and T. L. McDonald and R. Neilsen and Kristin S. Simac and George M. Durner},
  year = {2003},
  url = {https://pubs.usgs.gov/publication/70187944},
  note = {Source identifier: 70187944}
}