@misc{indiciae21489bc3a4f9,
  title = {Duck nesting in fields of undisturbed grass-legume cover},
  author = {Harold F. Duebbert and J. T. Lokemoen},
  year = {1976},
  doi = {10.2307/3800154},
  url = {https://pubs.usgs.gov/publication/1001504},
  note = {Source identifier: 1001504}
}