@misc{1145261,
  author = {William F Mitchell},
  title = {StopWatch user's guide, version 1.0:},
  year = {1997},
  month = {1997-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.5971},
  language = {en},
}