@misc{indiciae28449736e8d9,
  title = {Niche relationships within a guild of ungulate species in Yellowstone National Park, Wyoming, following release from artificial controls},
  author = {Francis J. Singer and Jack E. Norland},
  year = {1994},
  doi = {10.1139/z94-183},
  url = {https://pubs.usgs.gov/publication/70129386},
  note = {Source identifier: 70129386}
}