@misc{indiciae20bef6ac33c5,
  title = {Numbered nasal discs for waterfowl},
  author = {James C. Bartonek and C.W. Dane},
  year = {1964},
  doi = {10.2307/3798783},
  url = {https://pubs.usgs.gov/publication/1001811},
  note = {Source identifier: 1001811}
}