@article{ref1,
title="Disorientation in army helicopter operations: a review",
journal="Journal of the Royal Society of Medicine",
year="1985",
author="Braithwaite, M. G.",
volume="78",
number="10",
pages="856-859",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0141-0768",
doi="",
url="http://dx.doi.org/"
}