@article{ref1,
title="Safety Reserch Intitute of JR West",
journal="Japanese railway engineering",
year="2009",
author="Suto, Masatoshi",
volume="49",
number="4",
pages="18-18",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0448-8938",
doi="",
url="http://dx.doi.org/"
}