@misc{indiciae4a7558073865,
  title = {Effects of earlier sea ice breakup on survival and population size of polar bears in western Hudson Bay},
  author = {E.V. Regehr and N.J. Lunn and Steven C. Amstrup and I. Stirling},
  year = {2010},
  doi = {10.2193/2006-180},
  url = {https://pubs.usgs.gov/publication/70031436},
  note = {Source identifier: 70031436}
}