@misc{indiciaec6c13ce8aff5,
  title = {Mercury, arsenic, lead, cadmium, and selenium residues in fish, 1971-73--National Pesticide Monitoring Program.},
  author = {D. F. Walsh and Bernard L. Berger and Jared R Bean},
  year = {1977},
  url = {https://pubs.usgs.gov/publication/70209077},
  note = {Source identifier: 70209077}
}