@misc{indiciae4e2dbabe88bf,
  title = {Eggshell thinning, chlorinated hydrocarbons, and mercury in inland aquatic bird eggs, 1969 and 1970},
  author = {R.A. Faber and J.J. Hickey},
  year = {1973},
  url = {https://pubs.usgs.gov/publication/5221229},
  note = {Source identifier: 5221229}
}