@misc{indiciae64e3eacbbe87,
  title = {Estimation and correction of visibility bias in aerial surveys of wintering ducks},
  author = {A.T. Pearse and P.D. Gerard and S.J. Dinsmore and R.M. Kaminski and K. J. Reinecke},
  year = {2008},
  url = {https://pubs.usgs.gov/publication/5224859},
  note = {Source identifier: 5224859}
}