@misc{indiciaea2d4936f7957,
  title = {Coexisting amphiboles from blueschist facies metamorphic rocks},
  author = {G. R. Himmelberg and J. J. Papike},
  year = {1969},
  doi = {10.1093/petrology/10.1.102},
  url = {https://pubs.usgs.gov/publication/70223838},
  note = {Source identifier: 70223838}
}