@misc{1198141,
  author = {Nancy M Trahey and Jeffery Horlick and Vanda R White},
  title = {Directory of NVLAP accredited laboratories:},
  year = {1990},
  month = {1990-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.90-4280},
  language = {en},
}