@misc{indiciae4e85779bf4fb,
  title = {Movements and distribution of polar bears in the Beaufort sea},
  author = {Steven C. Amstrup and George M. Durner and I. Stirling and N.J. Lunn and F. Messier},
  year = {2000},
  doi = {10.1139/z00-016},
  url = {https://pubs.usgs.gov/publication/70023102},
  note = {Source identifier: 70023102}
}