@misc{1159396,
  author = {Peter S Unger},
  title = {NVLAP fifth annual report and directory of accredited laboratories:},
  year = {1982},
  month = {1982-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.636},
  language = {en},
}