@misc{indiciae56ddbf562289,
  title = {Discussion of Blundy and Holland's (1990) "Calcic amphibole equilibria and a new amphibole-plagioclase geothermometer"},
  author = {J. M. Hammarstrom and E-An Zen},
  year = {1992},
  doi = {10.1007/bf00348957},
  url = {https://pubs.usgs.gov/publication/70017252},
  note = {Source identifier: 70017252}
}