@article{ref1,
title="Early circannual rhythms and adult human behaviour: components of a chronobehavioural theory, and critique of persistent artifacts",
journal="International journal of chronobiology",
year="1974",
author="Wendt, H. W.",
volume="2",
number="1",
pages="57-86",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0300-9998",
doi="",
url="http://dx.doi.org/"
}