@misc{1197041,
  author = {J L Marshall},
  title = {NIST calibration services users guide 1998:},
  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.250e1998},
  language = {en},
}