@misc{indiciae04bb91c34810,
  title = {Use of prairie pothole habitat by breeding mallards},
  author = {T.J. Dwyer and Gary L. Krapu and D.M. Janke},
  year = {1979},
  doi = {10.2307/3800366},
  url = {https://pubs.usgs.gov/publication/1001466},
  note = {Source identifier: 1001466}
}