@misc{indiciaebb3b91070e17,
  title = {Assessment of chemical variability in three independently prepared batches of National Institute for Standards and Technology SRM 2704, Buffalo River Sediment},
  author = {S. A. Wilson},
  year = {1993},
  doi = {10.3133/ofr93692},
  url = {https://pubs.usgs.gov/publication/ofr93692},
  note = {Source identifier: ofr93692}
}