@misc{1171951,
  author = {Betty L Oberholtzer},
  title = {Publications of the National Bureau of Standards Supplement of MP240/:},
  year = {1967},
  month = {1967-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.MP.240-2},
  language = {en},
}