@misc{indiciae82ef968f5d2c,
  title = {Method of preparing radioactive cations for tracing ground water},
  author = {W.J. Lacey and W. De Laguna},
  year = {1956},
  doi = {10.1126/science.124.3218.402.a},
  url = {https://pubs.usgs.gov/publication/70010476},
  note = {Source identifier: 70010476}
}