@misc{indiciae0e44db2f5d89,
  title = {An X-ray diffraction method for semiquantitative mineralogical analysis of Chilean nitrate ore},
  author = {J.C. Jackson and G. E. Ericksen},
  year = {1994},
  doi = {10.3133/ofr94240},
  url = {https://pubs.usgs.gov/publication/ofr94240},
  note = {Source identifier: ofr94240}
}