@misc{indiciae9b8586be49cf,
  title = {Quantitative determination of dawsonite in Green River Shale by powder-sample X-ray diffraction; effect of grinding},
  author = {E-an Zen and Jane M. Hammarstrom},
  year = {1975},
  url = {https://pubs.usgs.gov/publication/70232651},
  note = {Source identifier: 70232651}
}