@misc{indiciae11b896bda9e2,
  title = {Residues of organochlorines and heavy metals in ruddy ducks from the Delaware River, 1973},
  author = {Donald H. White and T. E. Kaiser},
  year = {1976},
  url = {https://pubs.usgs.gov/publication/5221358},
  note = {Source identifier: 5221358}
}