@article{ref1,
title="Factors Associated with the Crash Risk of Adult Bicyclists",
journal="Journal of safety research",
year="1997",
author="Rodgers, Gregory B.",
volume="28",
number="4",
pages="233-241",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0022-4375",
doi="",
url="http://dx.doi.org/"
}