@misc{indiciaea39cb0c8fdf2,
  title = {Canine parvovirus effect on wolf population change and pup survival},
  author = {L.D. Mech and S.M. Goyal},
  year = {1993},
  doi = {10.7589/0090-3558-29.2.330},
  url = {https://pubs.usgs.gov/publication/5222668},
  note = {Source identifier: 5222668}
}