@article{ref1,
title="Circumstances in which people reduce car ownership -- a comparative analysis of three panel data sets",
journal="IATSS research",
year="1988",
author="Goodwin, PR",
volume="12",
number="2",
pages="60-65",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}