@misc{indiciaeae4367e64bfb,
  title = {Geochemical and mineralogical properties of Boquillas Shale geochemical reference material ShBOQ-1},
  author = {Justin E. Birdwell and Stephen A. Wilson},
  year = {2021},
  doi = {10.3133/fs20213048},
  url = {https://pubs.usgs.gov/publication/fs20213048},
  note = {Source identifier: fs20213048}
}