@misc{indiciaeb89330435ab7,
  title = {Quality control manual of the U.S. Geological Survey's National Water Quality Laboratory},
  author = {B. E. Jones},
  year = {1987},
  doi = {10.3133/ofr87457},
  url = {https://pubs.usgs.gov/publication/ofr87457},
  note = {Source identifier: ofr87457}
}