@misc{indiciae0209f9a5a73f,
  title = {Distribution patterns of American black duck and mallard winter band recoveries},
  author = {Duane R. Diefenbach and James D. Nichols and James E. Hines},
  year = {1988},
  doi = {10.2307/3800934},
  url = {https://pubs.usgs.gov/publication/5220617},
  note = {Source identifier: 5220617}
}