@misc{1189856,
  author = {K M Gray and J R Ellis},
  title = {Field service test model ::computer-controlled U system. Operations manual and software operating system appendices for the automated system. volume II.},
  year = {1973},
  month = {1973-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.73-235},
  language = {en},
}