@article{ref1,
title="Aging and pilot pertormance",
journal="Geriatrics",
year="1961",
author="Mohler, S. R.",
volume="16",
number="",
pages="82-88",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0016-867X",
doi="",
url="http://dx.doi.org/"
}