@article{ref1,
title="Rhythm in life and recreation",
journal="Kango gijutsu",
year="1969",
author="Ida, A.",
volume="4",
number="",
pages="17-24",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0449-752X",
doi="",
url="http://dx.doi.org/"
}