@misc{indiciaee20ea7681f31,
  title = {U-Th-Pb isotope chronology of sulfide ores and rocks in the early Proterozoic metavolcanic belt of northern Wisconsin},
  author = {A. Afifi and B. R. Doe and P.K. Sims and M.H. Delevaux},
  year = {1984},
  doi = {10.2113/gsecongeo.79.2.338},
  url = {https://pubs.usgs.gov/publication/70013342},
  note = {Source identifier: 70013342}
}