@misc{indiciae9fbbe59ace40,
  title = {Sleeping distance in wild wolf packs},
  author = {S.T. Knick and L.D. Mech},
  year = {1980},
  doi = {10.1016/s0163-1047(80)91932-9},
  url = {https://pubs.usgs.gov/publication/5221585},
  note = {Source identifier: 5221585}
}