@misc{indiciaefe25bb8b5f10,
  title = {Polar bear aerial survey in the eastern Chukchi Sea: A pilot study},
  author = {Thomas J. Evans and Anthony S. Fischbach and Scott L. Schliebe and Bryan Manly and Susanne B. Kalxdorff and Geoff S. York},
  year = {2003},
  doi = {10.14430/arctic633},
  url = {https://pubs.usgs.gov/publication/70180860},
  note = {Source identifier: 70180860}
}