@misc{indiciae5bc4d2c8fad2,
  title = {Social influences on reproduction in wolves},
  author = {J.M. Packard and L.D. Mech and U.S. Seal},
  year = {1983},
  url = {https://pubs.usgs.gov/publication/5210143},
  note = {Source identifier: 5210143}
}