@misc{indiciae129e759c9864,
  title = {Plan of study for selected toxic substances in the Calcasieu River, Louisiana},
  author = {D.K. Demcheck and C. R. Demas and P.B. Curwick},
  year = {1990},
  doi = {10.3133/ofr90148},
  url = {https://pubs.usgs.gov/publication/ofr90148},
  note = {Source identifier: ofr90148}
}