@misc{1196556,
  author = {Tim Borland},
  title = {Stable implementation agreements for open systems interconnection protocols Version 4 Edition 1 December 1990:},
  year = {1991},
  month = {1991-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.500-183},
  language = {en},
}