@article{ref1,
title="General properties of biological rhythms",
journal="Annals of the New York Academy of Sciences",
year="1962",
author="Sollberger, Arne",
volume="98",
number="4",
pages="757-774",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="10.1111/j.1749-6632.1962.tb30597.x",
url="http://dx.doi.org/10.1111/j.1749-6632.1962.tb30597.x"
}