@misc{indiciae5c8cd74e0648,
  title = {The classical chemical analysis of silicate rocks; the old and the new},
  author = {Herbert Kirschenbaum},
  year = {1983},
  doi = {10.3133/b1547},
  url = {https://pubs.usgs.gov/publication/b1547},
  note = {Source identifier: b1547}
}