@article{ref1,
title="5 points to prevent accidents",
journal="Kango",
year="1971",
author="Maeda, Masaharu",
volume="23",
number="10",
pages="66-74",
abstract="<p>[Abstract unavailable]</p> <p>Language: ja</p>",
language="ja",
issn="0022-8362",
doi="",
url="http://dx.doi.org/"
}