@misc{indiciae27e96c4ffe4c,
  title = {Use of ungulates by Yellowstone grizzly bears Ursus arctos},
  author = {D.J. Mattson},
  year = {1997},
  doi = {10.1016/s0006-3207(96)00142-5},
  url = {https://pubs.usgs.gov/publication/1015713},
  note = {Source identifier: 1015713}
}