@article{ref1,
title="Measurement and applications of radon-222 in natural water (II). For earthquake prediction",
journal="Radioisotopes",
year="1978",
author="Nishimura, S.",
volume="27",
number="12",
pages="747-752",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0033-8303",
doi="",
url="http://dx.doi.org/"
}