@misc{indiciae36b568be5ec0,
  title = {Trends in concentrations of polychlorinated biphenyls in fish tissue from selected sites in the Delaware River basin in New Jersey, New York, and Pennsylvania, 1969-98},
  author = {Karen Riva-Murray and Robin A. Brightbill and Michael D. Bilger},
  year = {2003},
  doi = {10.3133/wri014066},
  url = {https://pubs.usgs.gov/publication/wri014066},
  note = {Source identifier: wri014066}
}