@misc{indiciaee60e380958aa,
  title = {Naturally Occurring Radioactive Materials (NORM) in Produced Water and Oil-Field Equipment--An Issue for the Energy Industry},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1999},
  doi = {10.3133/fs14299},
  url = {https://pubs.usgs.gov/publication/fs14299},
  note = {Source identifier: fs14299}
}