@misc{indiciae558b0db2b351,
  title = {Measurement of "turbidity" and related characteristics of natural waters},
  author = {R.J. Pickering},
  year = {1976},
  doi = {10.3133/ofr76153},
  url = {https://pubs.usgs.gov/publication/ofr76153},
  note = {Source identifier: ofr76153}
}