@misc{1163486,
  author = {R S Turgel and J M Mulrow and D F Vecchia},
  title = {NBS phase angle calibration services:},
  year = {1988},
  month = {1988-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.250-26},
  language = {en},
}