@misc{indiciae92e20602c641,
  title = {Monitoring grizzly bear population trends},
  author = {L.L. Eberhardt and R.R. Knight and B.M. Blanchard},
  year = {1986},
  doi = {10.2307/3800971},
  url = {https://pubs.usgs.gov/publication/70121226},
  note = {Source identifier: 70121226}
}