@misc{indiciae202188522d4c,
  title = {Metal and sediment ingestion by dabbling ducks},
  author = {W. N. Beyer and J. Spann and Daniel D. Day},
  year = {1999},
  doi = {10.1016/s0048-9697(99)00098-4},
  url = {https://pubs.usgs.gov/publication/5223828},
  note = {Source identifier: 5223828}
}