@article{ref1,
title="Cycling safety on bikeways vs. roads",
journal="Transportation quarterly",
year="2001",
author="Pucher, John",
volume="55",
number="4",
pages="9-11",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0278-9434",
doi="",
url="http://dx.doi.org/"
}