@article{ref1,
title="Air operations and circadian performance rhythms",
journal="Aviation, space, and environmental medicine",
year="1976",
author="Klein, K. E. and Wegmann, H. M. and Athanassenas, G. and Hohlweck, H. and Kuklinski, P.",
volume="47",
number="3",
pages="221-230",
abstract="This paper reviews experimental results and pertinent data from the literature on circadian behavioural rhythms and their modifications through various factors. It relates them to the operation of aircrews &quot;round the clock&quot; and on transmeridian routes and discusses some possibilities of an appropriate scheduling.<p /><p>Language: en</p>",
language="en",
issn="0095-6562",
doi="",
url="http://dx.doi.org/"
}