@misc{1173471,
  author = {Elizabeth R Hosterman},
  title = {Letter Circular 888::FURS: general information},
  year = {1964},
  month = {1964-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.LCIRC.888r1964},
  language = {en},
}