@misc{indiciae4ffe90240e8c,
  title = {Methods for analysis of inorganic substances in water and fluvial sediments},
  author = {M. J. Fishman and L.C. Friedman and D. E. Erdmann and S.S. Duncan},
  year = {1978},
  doi = {10.3133/ofr78679},
  url = {https://pubs.usgs.gov/publication/ofr78679},
  note = {Source identifier: ofr78679}
}