@misc{indiciae299a3a0107df,
  title = {Further results from a trial comparing a hidden speed camera programme with visible camera operation.},
  author = {Michael D Keall and Lynley J Povey and William J Frith},
  year = {2002},
  doi = {10.1016/s0001-4575(01)00077-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/12371782/},
  note = {Source identifier: 12371782}
}