@misc{indiciae5cfddc707ec8,
  title = {Time-lapse cameras as an aid in studying grizzly bears in northwest Wyoming},
  author = {Ronald E. Ball},
  year = {1980},
  doi = {10.2307/3872888},
  url = {https://pubs.usgs.gov/publication/70169347},
  note = {Source identifier: 70169347}
}