@article{ref1,
title="Contributions of research to improved highway safety",
journal="ITE journal",
year="1983",
author="Johns, K.",
volume="54",
number="9",
pages="30-33",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0162-8178",
doi="",
url="http://dx.doi.org/"
}