@article{ref1,
title="The human time factor in flight; the latent period of optical perception and its significance in high speed flying",
journal="Journal of aviation medicine",
year="1949",
author="Strughold, H.",
volume="20",
number="5",
pages="300-307",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-991X",
doi="",
url="http://dx.doi.org/"
}