@misc{indiciae24a2535386f1,
  title = {Methods for determination of inorganic substances in water and fluvial sediments},
  author = {Marvin J. Fishman and Linda C. Friedman},
  year = {1989},
  doi = {10.3133/twri05a1},
  url = {https://pubs.usgs.gov/publication/twri05A1},
  note = {Source identifier: twri05A1}
}