@article{ref1,
title="Some problems on traffic accidents analysis",
journal="IATSS research",
year="1981",
author="Horiuchi, K.",
volume="5",
number="1",
pages="60-69",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}