@misc{indiciae98cc40ae67b4,
  title = {PB isotopes, ore deposits, and metallogenic terranes},
  author = {R. M. Tosdal and J. L. Wooden and R. M. Bouse},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70093949},
  note = {Source identifier: 70093949}
}