@article{ref1,
title="The effect of congested traffic on economic development",
journal="Traffic quarterly",
year="1948",
author="Blakeman, T. L.",
volume="2",
number="4",
pages="394-399",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0041-0713",
doi="",
url="http://dx.doi.org/"
}