@article{ref1,
title="Traffic accidents in 1947",
journal="Traffic quarterly",
year="1948",
author="Williams, S.j.",
volume="2",
number="2",
pages="204-207",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0041-0713",
doi="",
url="http://dx.doi.org/"
}