@article{ref1,
title="Day-night cycling in atmospheric flight, space flight, and on other celestial bodies",
journal="Annals of the New York Academy of Sciences",
year="1962",
author="Strughold, H.",
volume="98",
number="",
pages="1109-1115",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="",
url="http://dx.doi.org/"
}