@article{ref1,
title="Bicycle safety: sustaining mobility and environment",
journal="IATSS research",
year="1993",
author="Salifu, M",
volume="17",
number="2",
pages="60-66",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}