@misc{indiciae780bc542da66,
  title = {Food habits of Yellowstone grizzly bears, 1977-1987},
  author = {David J. Mattson and Bonnie M. Blanchard and Richard R. Knight},
  year = {1990},
  url = {https://pubs.usgs.gov/publication/70125376},
  note = {Source identifier: 70125376}
}