@article{ref1,
title="Motion sickness in a helicopter simulator",
journal="Aerospace medicine",
year="1960",
author="Miller, J. W. and Goodson, J. E.",
volume="31",
number="",
pages="204-212",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}