@article{ref1,
title="Motorway signals and the detection of incidents",
journal="Transportation planning and technology",
year="1984",
author="Russam, K.",
volume="9",
number="2",
pages="99-108",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0308-1060",
doi="10.1080/03081068408717273",
url="http://dx.doi.org/10.1080/03081068408717273"
}