@misc{indiciae22ed8073c22a,
  title = {Mate loss in winter and mallard reproduction},
  author = {Barbara A. Lercel and Richard M. Kaminski and Robert R. Cox},
  year = {1999},
  doi = {10.2307/3802651},
  url = {https://pubs.usgs.gov/publication/1001786},
  note = {Source identifier: 1001786}
}