@misc{indiciaefc202ab87f67,
  title = {Organochlorine and mercury residues in Swainson's hawk eggs from the Pacific Northwest},
  author = {Charles J. Henny and T. E. Kaiser},
  year = {1979},
  doi = {10.2307/3534457},
  url = {https://pubs.usgs.gov/publication/5221471},
  note = {Source identifier: 5221471}
}