@misc{1175126,
  author = {Harvey W Berger},
  title = {1986-87 directory of NVLAP accredited laboratories:},
  year = {1987},
  month = {1987-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.87-3519},
  language = {en},
}