@misc{indiciaeae8f77d3a258,
  title = {A cooperative investigation of precision and accuracy in chemical, spectrochemical, and modal analysis of silicate rocks},
  author = {H.W. Fairbairn and and others},
  year = {1951},
  doi = {10.3133/b980},
  url = {https://pubs.usgs.gov/publication/b980},
  note = {Source identifier: b980}
}