@misc{indiciae1b3e939da3cb,
  title = {Shell thinning and reproductive impairment in black ducks after cessation of DDE dosage},
  author = {J. R. Longcore and Rey C. Stendell},
  year = {1977},
  doi = {10.1007/bf02097770},
  url = {https://pubs.usgs.gov/publication/5221395},
  note = {Source identifier: 5221395}
}