@misc{indiciaecfe4c0a8cd09,
  title = {Observations of mixed-aged litters in brown bears},
  author = {J. E. Swenson and M.A. Haroldson},
  year = {2008},
  doi = {10.2192/07sc017r.1},
  url = {https://pubs.usgs.gov/publication/70031779},
  note = {Source identifier: 70031779}
}