@misc{indiciae97613c19a8df,
  title = {Principal aquifers can contribute radium to sources of drinking water under certain geochemical conditions},
  author = {Zoltan Szabo and Jeffrey M. Fischer and Tracy Connell Hancock},
  year = {2012},
  doi = {10.3133/fs20103113},
  url = {https://pubs.usgs.gov/publication/fs20103113},
  note = {Source identifier: fs20103113}
}