@misc{indiciaeb836bd9ba1cf,
  title = {Field comparison of optical and Clark cell dissolved oxygen sensors in the Tualatin River, Oregon, 2005},
  author = {Matthew W. Johnston and John S. Williams},
  year = {2006},
  doi = {10.3133/ofr20061047},
  url = {https://pubs.usgs.gov/publication/ofr20061047},
  note = {Source identifier: ofr20061047}
}