@article{ref1,
title="Development of a peripheral vision command indicator for instrument flight",
journal="Human factors",
year="1963",
author="Fenwick, C. A.",
volume="5",
number="",
pages="117-127",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}