@misc{indiciaee7d33ed6287e,
  title = {Report on the U.S. Geological Survey's evaluation program for standard reference samples distributed in April 1992 :T-119 (trace constituents), M-122 (major constituents), N-34 (nutrients), N-35 (nutrients), Hg-14 (mercury)},
  author = {H.K. Long and J.W. Farrar},
  year = {1992},
  doi = {10.3133/ofr92164},
  url = {https://pubs.usgs.gov/publication/ofr92164},
  note = {Source identifier: ofr92164}
}