@misc{indiciae7e7bc36e8388,
  title = {Speed warning device.},
  author = {W GISSANE},
  year = {1957},
  doi = {10.1136/bmj.2.5040.355-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/13446484/},
  note = {Source identifier: 13446484}
}