@misc{indiciae9e9f6995ed3e,
  title = {Relationship between winter severity and wolf depredations on domestic animals in Minnesota},
  author = {L.D. Mech and S. H. Fritts and W.J. Paul},
  year = {1988},
  url = {https://pubs.usgs.gov/publication/5220731},
  note = {Source identifier: 5220731}
}