@article{ref1,
title="Cars Owned and Driven by Teenagers",
journal="Transportation quarterly",
year="1987",
author="Williams, Allan F. and Preusser, David F. and Lund, Adrian K. and Rasmussen, SJ",
volume="41",
number="2",
pages="177-188",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0278-9434",
doi="",
url="http://dx.doi.org/"
}