@misc{1197886,
  author = {Robert J Keough and Raymond A Grill},
  title = {Fire alarm systems:},
  year = {2005},
  month = {2005-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.NCSTAR.1-4c},
  language = {en},
}