@misc{1195106,
  author = {Harry H Ku and Harry H Ku},
  title = {Uncertainty and accuracy in physical measurements:},
  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.SP.805},
  language = {en},
}