@misc{indiciae42d781e1c473,
  title = {Eclogitic pyroxenes, ordered with P2 symmetry},
  author = {J. R. Clark and J. J. Papike},
  year = {1966},
  doi = {10.1126/science.154.3752.1003},
  url = {https://pubs.usgs.gov/publication/70010757},
  note = {Source identifier: 70010757}
}