@misc{1157511,
  author = {Richard A Mitchell},
  title = {Force calibration at the National Bureau of Standards:},
  year = {1986},
  month = {1986-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.1227},
  language = {en},
}