@misc{indiciaefa52bdf76185,
  title = {Effects of polychlorinated biphenyls on birds},
  author = {R.G. Heath and J. W. Spann and J.F. Kreitzer and C. Vance},
  year = {1972},
  url = {https://pubs.usgs.gov/publication/5210356},
  note = {Source identifier: 5210356}
}