@misc{1314716,
  author = {Aaron Johnson},
  title = {Natural Gas Flow Calibration Service},
  year = {2008},
  month = {2008-08-01 00:08:00},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=832323},
  doi = {https://doi.org/10.6028/nist.sp.1081},
  language = {en},
}