@misc{1151411,
  author = {Georgia L Harris},
  title = {Specifications and tolerances for reference standards and field standard weights and measures 4. specifications and tolerances for liquefied petroleum gas and anhydrous ammonia liquid volumetric provers:},
  year = {1997},
  month = {1997-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.HB.105-4},
  language = {en},
}