@article{ref1,
title="The feasibility of a helmet-mounted sight as a control device",
journal="Human factors",
year="1966",
author="Nicholson, R. M.",
volume="8",
number="5",
pages="417-425",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}