@article{ref1,
title="Traffic congestion: is there a way out?",
journal="Journal of transport geography",
year="1997",
author="Smith, José",
volume="5",
number="2",
pages="161-161",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0966-6923",
doi="10.1016/S0966-6923(97)84109-9",
url="http://dx.doi.org/10.1016/S0966-6923(97)84109-9"
}