@misc{indiciaee753cf959e87,
  title = {The behavior of U- and Th-series nuclides in groundwater},
  author = {D. Porcelli and P.W. Swarzenski},
  year = {2003},
  url = {https://pubs.usgs.gov/publication/70025292},
  note = {Source identifier: 70025292}
}