@article{ref1,
title="Increasing visibility of speed cameras might increase deaths and injuries on roads",
journal="British medical journal: BMJ",
year="2002",
author="Pilkington, Paul",
volume="324",
number="7346",
pages="1153-1153",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}