@misc{indiciaeb6425b7b5832,
  title = {Concentrations and environmental fate of Ra in cation-exchange regeneration brine waste disposed to septic tanks and accumulation in sludge, New Jersey Coastal Plain, USA},
  author = {Z. Szabo and E. Jacobsen and T. F. Kraemer and B. Parsa},
  year = {2008},
  doi = {10.1016/j.jenvrad.2007.11.009},
  url = {https://pubs.usgs.gov/publication/70033308},
  note = {Source identifier: 70033308}
}