@misc{indiciae16f20ae57505,
  title = {Elevated heptachlor epoxide and DDE residues in a merlin that died after migrating},
  author = {Charles J. Henny and J. R. Bean and R.W. Fyfe},
  year = {1976},
  url = {https://pubs.usgs.gov/publication/5221371},
  note = {Source identifier: 5221371}
}