@misc{indiciae04ba74f90352,
  title = {Distribution of elements in biotite-hornblende pairs and in an orthopyroxene-clinopyroxene pair from zoned plutons, northern Sierra Nevada, California},
  author = {A. Hietanen},
  year = {1971},
  doi = {10.1007/bf00372256},
  url = {https://pubs.usgs.gov/publication/70001531},
  note = {Source identifier: 70001531}
}