@misc{1227251,
  author = {Thomas W. Vetter and Colleen E. Bryan Sallee and Brian Lang and Anthony F. Marlow and Jennifer Ness and Rick L. Paul and Adam L. Pintar and Bruce Scruggs and Nicholas Sharp and Maria Isabel Vega Martinez and John Sieber},
  title = {Certification of Standard Reference Material® 2693a Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur)},
  year = {2024},
  month = {2024-01-25 05:01:00},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=956682},
  doi = {https://doi.org/10.6028/NIST.SP.260-230},
  language = {en},
}