@article{ref1,
title="Exogenous and endogenous influences on rhythms after sudden time shift",
journal="Ergonomics",
year="1978",
author="Mills, J. N. and Minors, D. S. and Waterhouse, J. M.",
volume="21",
number="10",
pages="755-761",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}