@misc{indiciaea59ed599e01f,
  title = {SrRbK and Sr isotopic relationships in ultramafic rocks, southeastern Alaska},
  author = {M. A. Lanphere},
  year = {1968},
  doi = {10.1016/0012-821x(68)90033-2},
  url = {https://pubs.usgs.gov/publication/70009907},
  note = {Source identifier: 70009907}
}