@misc{indiciae4e9f3d4899a6,
  title = {Investigations of methods of determining abundance of breeding mourning doves in certain eastern states},
  author = {A.J. Duvall and C.S. Robbins},
  year = {1952},
  url = {https://pubs.usgs.gov/publication/5210444},
  note = {Source identifier: 5210444}
}