@misc{224861,
  author = {Erica Kuligowski and Katrina Wakeman},
  title = {Outdoor Siren Systems: A review of technology, usage and public response during emergencies},
  year = {2017},
  month = {2017-02-06},
  publisher = {Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.TN.1950},
  language = {en},
}