@article{ref1,
title="Urgent earthquake detection and alarm system for toakaido shinkansen",
journal="Japanese railway engineering",
year="1992",
author="Nakajima, Shigeru and Takumi, Nakanishi and Nakanishi, Takumi",
volume="",
number="",
pages="-",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0448-8938",
doi="",
url="http://dx.doi.org/"
}