@misc{indiciae1a20fa6a8a3a,
  title = {Restricting wolves risks escape},
  author = {L. David Mech and Warren Ballard and Ed Bangs and Bob Ream},
  year = {2010},
  url = {https://pubs.usgs.gov/publication/70037812},
  note = {Source identifier: 70037812}
}