@misc{indiciae632a51330899,
  title = {A strontium isotopic study of plutons and associated rocks of the southern Sierra Nevada and vicinity, California},
  author = {Ronald Wayne Kistler and Donald Clarence Ross},
  year = {1990},
  doi = {10.3133/b1920},
  url = {https://pubs.usgs.gov/publication/b1920},
  note = {Source identifier: b1920}
}