@misc{indiciaee60bd0f33058,
  title = {Return of the gray wolf to Wisconsin},
  author = {L. David Mech and R. M. Nowak},
  year = {1981},
  doi = {10.2307/2424765},
  url = {https://pubs.usgs.gov/publication/5221670},
  note = {Source identifier: 5221670}
}