@misc{indiciae3a1dc0a09874,
  title = {Organochlorine and mercury residues in snakes from Pilot and Spider Islands, Lake Michigan--1978},
  author = {G. H. Heinz and S. D. Haseltine and R.J. Hall and A. J. Krynitsky},
  year = {1980},
  doi = {10.1007/bf01985601},
  url = {https://pubs.usgs.gov/publication/5221594},
  note = {Source identifier: 5221594}
}