@misc{indiciae09be1d900ad0,
  title = {Age measurements of potassium-bearing sulfide minerals by the 40Ar/39Ar technique},
  author = {G.K. Czamanske and M. A. Lanphere and Richard C. Erd and M.C. Blake},
  year = {1978},
  doi = {10.1016/0012-821x(78)90079-1},
  url = {https://pubs.usgs.gov/publication/70012420},
  note = {Source identifier: 70012420}
}