@misc{178546,
  author = {Barry Taylor},
  title = {The International System of Units (SI), 2001 Edition},
  year = {2001},
  month = {2001-07-01},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.330},
  language = {en},
}