@article{ref1,
title="Analysis of impact energy absorption for tapered cylindrical tubes",
journal="Transactions of Society of Automotive Engineers of Japan",
year="2005",
author="Mori, Kenji and Haruyama, Shigeyuki and Ushijima, Kuniharu and Dai-Heng, Chen",
volume="36",
number="3",
pages="91-96",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0287-8321",
doi="",
url="http://dx.doi.org/"
}