@misc{indiciaebe5325c2a815,
  title = {Response of captive, breeding mallards to oiled water},
  author = {T. W. Custer and P.H. Albers},
  year = {1980},
  doi = {10.2307/3808324},
  url = {https://pubs.usgs.gov/publication/5221618},
  note = {Source identifier: 5221618}
}