@misc{indiciae8300d1cdcdb7,
  title = {Duck-wing collections - their history, current status, and potential uses},
  author = {A. D. Geis and S.M. Carney},
  year = {1960},
  url = {https://pubs.usgs.gov/publication/5220659},
  note = {Source identifier: 5220659}
}