@article{ref1,
title="Creating political pressure for cycling",
journal="Transportation quarterly",
year="1998",
author="Wachs, Martin",
volume="52",
number="1",
pages="6-8",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0278-9434",
doi="",
url="http://dx.doi.org/"
}