@misc{1164741,
  author = {William P Allman},
  title = {A computer simulation model of railroad freight transportation systems:},
  year = {1966},
  month = {1966-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.9066},
  language = {en},
}