@misc{indiciae2990d7116ac8,
  title = {An objective replacement method for censored geochemical data},
  author = {R.F. Sanford and C. T. Pierson and R. A. Crovelli},
  year = {1993},
  doi = {10.1007/bf00890676},
  url = {https://pubs.usgs.gov/publication/70018317},
  note = {Source identifier: 70018317}
}