@misc{indiciae60b0db04ecd1,
  title = {Organochlorine residues in eggs of black-crowned night herons from Colorado and Wyoming},
  author = {L. C. McEwen and C. J. Stafford and Gary L. Hensler},
  year = {1984},
  doi = {10.1002/etc.5620030302},
  url = {https://pubs.usgs.gov/publication/5221937},
  note = {Source identifier: 5221937}
}