@misc{1167366,
  author = {Norman C Severo and Marvin Zelen and Arthur E Newman},
  title = {Some applications of statistical sampling methods to outgoing letter mail characteristics:},
  year = {1958},
  month = {1958-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.5773},
  language = {en},
}