@misc{indiciae62867dc5bbc8,
  title = {A list of references on lead isotope geochemistry, 1967-1969 (with an addendum to the list through 1966)},
  author = {Bruce R. Doe},
  year = {1971},
  doi = {10.3133/ofr7189},
  url = {https://pubs.usgs.gov/publication/ofr7189},
  note = {Source identifier: ofr7189}
}