@misc{indiciae575de1e8e300,
  title = {Rub tree use and selection by American black bears and grizzly bears in northern Yellowstone National Park},
  author = {Nathaniel R. Bowersock and H. Okada and Andrea R. Litt and Kerry A. Gunther and Frank T. van Manen},
  year = {2022},
  doi = {10.2192/ursus-d-21-00009.3},
  url = {https://pubs.usgs.gov/publication/70232145},
  note = {Source identifier: 70232145}
}