@article{ref1,
title="Disorientation in helicopter pilots",
journal="Aerospace medicine",
year="1960",
author="Eastwood, H. K. and Berry, C. A.",
volume="31",
number="",
pages="191-199",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}