@misc{indiciae1a81c1661f25,
  title = {Determination of lead in rocks by radiometric isotope dilution and substoichiometric extraction},
  author = {Philip Aruscavage},
  year = {1976},
  doi = {10.1016/s0003-2670(01)84612-2},
  url = {https://pubs.usgs.gov/publication/70009759},
  note = {Source identifier: 70009759}
}