@misc{indiciaee3a434d1a0ab,
  title = {U.S. Geological Survey second national symposium on Water quality; abstracts of the technical sessions, Orlando, Florida, November 12-17, 1989},
  year = {1989},
  doi = {10.3133/ofr89409},
  url = {https://pubs.usgs.gov/publication/ofr89409},
  note = {Source identifier: ofr89409}
}