@misc{1161051,
  author = {R L Fisher and D D Toth and D S Blomquist and J S Forrer},
  title = {The Development and testing of a highly directional dual-mode electronic siren:},
  year = {1978},
  month = {1978-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.480-28},
  language = {en},
}