?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Champness%2C+Philip&rft.aulast=Champness&rft.aufirst=Philip&rft.date=2005&rft.title=Time+and+Distance+Halo+Effects+of+an+Overtly+Deployed+Mobile+Speed+Camera&rft.isbn=0-473-10636-1&rft.genre=bookitem