@misc{indiciaedf7d8fec8297,
  title = {Response of adult mallard ducks to ingested South Louisiana crude oil},
  author = {Nancy C. Coon and Michael P. Dieter},
  year = {1981},
  doi = {10.1016/0013-9351(81)90160-2},
  url = {https://pubs.usgs.gov/publication/5221715},
  note = {Source identifier: 5221715}
}