@misc{indiciaea64ba4d1d6e9,
  title = {A neutron activation analysis procedure for the determination of uranium, thorium and potassium in geologic samples},
  author = {P. J. Aruscavage and Hugh T. Millard},
  year = {1972},
  doi = {10.1007/bf02518619},
  url = {https://pubs.usgs.gov/publication/70000814},
  note = {Source identifier: 70000814}
}