@misc{1165346,
  author = {Philip R Meyers},
  title = {The use of short codes for the sorting of letter mail:},
  year = {1963},
  month = {1963-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.8145},
  language = {en},
}