@article{ref1,
title="Accident prevention in competitive cycling",
journal="Journal of safety research",
year="1989",
author="Ungersma, J. and McLennan, J. C. and McLennan, J. C.",
volume="20",
number="1",
pages="41-41",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0022-4375",
doi="",
url="http://dx.doi.org/"
}