@misc{indiciaea26e1f68eee2,
  title = {Heavy metal residues in Louisiana catfish below national averages},
  author = {J.B. Graves and G.U. Mayfield and D.P. Coulon and J.D. Newson},
  year = {1983},
  url = {https://pubs.usgs.gov/publication/5221855},
  note = {Source identifier: 5221855}
}