@misc{indiciaedc2f000a88af,
  title = {Analysis of barium in sediments},
  author = {Frank T. Manheim and P. C. Bowker},
  year = {1980},
  doi = {10.3133/ofr80665},
  url = {https://pubs.usgs.gov/publication/ofr80665},
  note = {Source identifier: ofr80665}
}