@misc{indiciaef4c9aab8e998,
  title = {Willamette River ecological health studies. In situ bioassay analysis},
  author = {R. Kocan and P. Hershberger},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70180152},
  note = {Source identifier: 70180152}
}