@misc{1130461,
  author = {John D Wright and George E Mattingly},
  title = {NIST calibration services for gas flow meters ::piston power and bell prover gas flow facilities},
  year = {1998},
  month = {1998-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.250-49},
  language = {en},
}